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5305-01-348-1724 (1-8UNRC-3A)

5305-01-348-1724 is equivalent to manufacture part number 1-8UNRC-3A. It is a socket head cap screw and is classified under Federal Supply Class 5305 (5305 - Screws), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5305 - Screws and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.

NSN 5305013481724
ALT NSN 5305-01-348-1724
NIIN 01-348-1724
NCB 01
FSC 5305
NSIN 348-1724
MNF PART 1-8UNRC-3A
DESC SCREW, CAP, SOCKET HEAD
ALT DESC SOCKET HEAD CAP SCREW
MNF ALT's 1.000-UNRC-3AX2.500 | 150-7384669 | 1-8UNRC-3A | 211055853 | 211055853L1 | 211068895 | 211068895L1 | 801-6408790 | 92-11-8250 | 92-11-8250L1 | DF330671 | MIL-DTL-1222 | MIL-DTL-1222TY21-8UNRC-3A2 | MIL-DTL-1222TY21-8UNRC-3A2-1/4 | QQ-N-286
OTHER ALT's 1/2L1 MILDTL1222TY218UNRC3A212L1 | 1/4L1 MILDTL1222TY218UNRC3A214L1 | 211055853 | 211055853L1 | 211068895 | 211068895L1 | 92118250 | 92118250L1 | FIND 12 8016408790FIND12 | FIND 12 DF330671FIND12 | FIND 12L1 8016408790FIND12L1 | FIND 12L1 DF330671FIND12L1 | FIND NO 12 DF330671FINDNO12 | FIND NO 12L1 8016408790FINDNO12L1 | FIND NO 12L1 DF330671FINDNO12L1 | GRADE 500 QQN286GRADE500 | GRADE 500L1 QQN286GRADE500L1 | ITEM 86 1507384669ITEM86 | ITEM 86L1 1507384669ITEM86L1 | MILDTL1222TY218UNRC3A214 | NICUAL 1000UNRC3AX2500NICUAL | NICUALL1 1000UNRC3AX2500NICUALL1 | PART NUMBER 86 1507384669PARTNUMBER86 | PART NUMBER 86L1 1507384669PARTNUMBER86L1 | TY II MILDTL1222TYII | TY IIL1 MILDTL1222TYIIL1 | TYPE II SELF-LOCK MILDTL1222TYPEIISELFLOCK | X 2 1/2 INCHES 18UNRC3AX212INCHES | X 2 1/2 INCHESL1 18UNRC3AX212INCHESL1
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Part & Reference Numbers (30)
Part NumberCAGEManufacturer StatusRNCCRNVCDACRNAACRNFCRNSCRNJCSADCHCCMSDS
1-8UNRC-3A X 2 1/2 INCHES 81349 MILITARY SPECIFICATIONS A 4 1 3 HD
1-8UNRC-3A X 2 1/2 INCHESL1 03950 NAVAL INVENTORY CONTROL POINT A 5 2 6 HD
1.000-UNRC-3AX2.500 NICUAL 81349 MILITARY SPECIFICATIONS A 4 1 3 HD
1.000-UNRC-3AX2.500 NICUALL1 03950 NAVAL INVENTORY CONTROL POINT A 5 2 6 HD
150-7384669 ITEM 86 53711 NAVAL SEA SYSTEMS COMMAND A 5 1 3 HD
150-7384669 ITEM 86L1 03950 NAVAL INVENTORY CONTROL POINT A 5 2 6 HD
150-7384669 PART NUMBER 86 53711 NAVAL SEA SYSTEMS COMMAND A 5 1 3 HD
150-7384669 PART NUMBER 86L1 03950 NAVAL INVENTORY CONTROL POINT A 5 2 6 HD
211055853 53711 NAVAL SEA SYSTEMS COMMAND A 3 1 3 HD
211055853L1 03950 NAVAL INVENTORY CONTROL POINT A 5 2 6 HD
211068895 53711 NAVAL SEA SYSTEMS COMMAND A 5 1 1 HD
211068895L1 03950 NAVAL INVENTORY CONTROL POINT A 5 2 6 HD
801-6408790 FIND 12 53711 NAVAL SEA SYSTEMS COMMAND A 5 1 1 HD
801-6408790 FIND 12L1 03950 NAVAL INVENTORY CONTROL POINT A 5 2 6 HD
801-6408790 FIND NO 12L1 03950 NAVAL INVENTORY CONTROL POINT A 5 2 6 HD
92-11-8250 96169 ELECTRIC BOAT CORPORATION A 5 1 3 HD
92-11-8250L1 03950 NAVAL INVENTORY CONTROL POINT A 5 2 6 HD
DF330671 FIND 12 53711 NAVAL SEA SYSTEMS COMMAND A 5 1 1 HD
DF330671 FIND 12L1 03950 NAVAL INVENTORY CONTROL POINT A 5 2 6 HD
DF330671 FIND NO 12 43689 HUNTINGTON INGALLS INC A 5 1 3 HD
DF330671 FIND NO 12L1 03950 NAVAL INVENTORY CONTROL POINT A 5 2 6 HD
MIL-DTL-1222 TY II 81349 MILITARY SPECIFICATIONS A 4 1 3 HD
MIL-DTL-1222 TY IIL1 03950 NAVAL INVENTORY CONTROL POINT A 5 1 6 HD
MIL-DTL-1222 TYPE II SELF-LOCK 03950 NAVAL INVENTORY CONTROL POINT A 5 2 6 HD
MIL-DTL-1222 TYPE II SELF-LOCK 81349 MILITARY SPECIFICATIONS A 4 1 4 HD
MIL-DTL-1222TY21-8UNRC-3A2 1/2L1 03950 NAVAL INVENTORY CONTROL POINT A 5 2 6 HD
MIL-DTL-1222TY21-8UNRC-3A2 1/4L1 03950 NAVAL INVENTORY CONTROL POINT A 5 2 6 HD
MIL-DTL-1222TY21-8UNRC-3A2-1/4 81349 MILITARY SPECIFICATIONS A 4 1 3 HD
QQ-N-286 GRADE 500 81349 MILITARY SPECIFICATIONS A 5 1 3 HD
QQ-N-286 GRADE 500L1 03950 NAVAL INVENTORY CONTROL POINT A 5 1 6 HD
Item Characteristics (13)
MRCRequirementReply
AAJDTHREAD CLASS3A
AASATHREAD LENGTH2.500 INCHES NOMINAL
AASBFASTENER LENGTH2.500 INCHES MAXIMUM
AGAVEND ITEM IDENTIFICATIONVALVE BALL
AHYMNOMINAL THREAD DIAMETER1.000 INCHES
CMLPTHREAD QUANTITY PER INCH8
CRTLCRITICALITY CODE JUSTIFICATIONZZZW
FEATSPECIAL FEATURESSCREW, CAP, SOCKET HEAD, SELF LOCKING (REQUESTED NAME)
MATTMATERIALNICKEL ALLOY OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 GR 500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THSDTHREAD SERIES DESIGNATORUNRC
ZZZWDEPARTURE FROM CITED DOCUMENTMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
ZZZXDEPARTURE FROM CITED DESIGNATORMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Management Data
MOESOSAACUIUI ConvMgmt CtrlUnit PriceQUPCIICSLCEffectiveC/H
DN NRP D EA $404 1 U 0 01-OCT-2025 C
DN NRP D EA 1HL1009 $404 1 U 0 01-OCT-2025 C
Navy Management
COGSMICIRRCSMCC
1HL1009
MOE Rules (1)
MOE RuleFormerAssignedAMCAMSCIMCIMCANIMSCDSORPICASICAAACCollaboratorsReceivers
N1H5 01-APR-91 1 G P HD HD HD
Freight / Transportation
NMFCSubUFCHMCLTLLCLWCCTCCSHCADCACCRVCIntegActyDescription
093486 Z 48950 W W 713 Z 9 A VZ HD BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Packaging Data — Part 1
PICA/SICATOSICQMOPClng/DryPres MatWrap MatPkg CatCush/DunThkUIUnit ContSourceUnpkg WtUnpkg Dim
P B 006 EK 1 00 00 ZZZ0 00 0 EA EC A . 000000000000
Packaging Data — Part 2
PICA/SICALvl ALvl BLvl CUCLSpc MkgInter ContOPIPack WtPack CubePack DimSupplemental
P E Q Q O 24 00 M 0000.1 0000.009 0050 X 0030 X 0009 MARK IN RED MAX 2 IN HIGH -LEVEL 1- ON ALL SIDES YA6
Special Packaging Instructions (1)
Design ActyContainer NSNSPI NoRevSPI DatePICA/SICA
P
Identification
Item Name Code (INC)16282
Primary INC (PINC)0016282
NIIN Assigned05-NOV-1991
Precious Metals Ind (PMIC)A
Criticality CodeS
DEMIL CodeA
DEMIL Integrity Code1
Hazardous Material Ind (HMIC)N
ADP Equipment Ind0
Item Indicator (II)4
RPD MRC3
IUID IndicatorY
Standardization / Related NSNs (1)
Related NSNISCDecision Date
505-NOV-1991

If the NSN isn't available, are there substitutes or alternate part numbers for NSN 5305-01-348-1724?

NSN 5305-01-348-1724 is associated with the following manufacturer alternate part numbers: 1.000-UNRC-3AX2.500, 150-7384669, 1-8UNRC-3A, 211055853, 211055853L1, 211068895, 211068895L1, 801-6408790, 92-11-8250, 92-11-8250L1, DF330671, MIL-DTL-1222, MIL-DTL-1222TY21-8UNRC-3A2, MIL-DTL-1222TY21-8UNRC-3A2-1/4, QQ-N-286. Whether you need to buy, order, or get wholesale pricing on any of these part numbers, NSN-PARTS.COM accepts quote requests for pricing and availability, including obsolete and hard-to-find inventory.

FAQ

5305-01-348-1724

What National Stock Number (NSN) Category does this 5305-01-348-1724


NSN 5305-01-348-1724 belongs to Federal Supply Class 5305 which is 5305 - Screws. This FSC is part of the federal supply catalog maintained by the U.S. Department of Defense and is used to standardize the procurement and cataloging of military and government components across all branches of the armed forces and federal agencies.

What traceability documentation is available for parts ordered through NSN-PARTS.COM?

Traceability is a core part of our sourcing process. Depending on the part and its supply chain origin, we can provide Certificates of Conformance (C of C), manufacturer packing slips, date codes, lot codes, and sourcing documentation that traces the item back through the distribution chain. For government and defense procurement, we understand that documentation requirements can be strict if your purchase order or contract specifies particular traceability requirements, include them in your RFQ and we will confirm our ability to meet them before order confirmation.

Does NSN 5305-01-348-1724 have an alternate part number?

Yes. NSN 5305-01-348-1724 is also referenced by manufacturer part number MILDTL1222TY218UNRC3A214, where MILDTL1222TY218UNRC3A214 is the original equipment manufacturer designation for this item. When sourcing this part, buyers may encounter either the NSN 5305-01-348-1724 or the MPN MILDTL1222TY218UNRC3A214 depending on the procurement system or supplier being used. NSN-PARTS.COM accepts quote requests using either the NSN or the manufacturer part number. For a full list of alternate part numbers associated with this NSN, see below.

Which country originally cataloged this NSN, and what is its National Codification Bureau (NCB) code?

Every NSN includes a two-digit National Codification Bureau (NCB) code in positions 5 and 6 of the full 13-digit number. That code identifies which country originally cataloged the item through the NATO codification system. You can find the NCB code for this part listed in the product description above. Use the table below to identify the originating country and its NATO membership status.

For this NSN, the NCB code is 01, which means it was originally cataloged by USA (NATO). Use the table below for a full reference of all NCB codes and their associated countries.

Country NCB Code(s) Status
USA00 and 01NATO
Unassigned (USA)02 through 10n/a
West Germany / Germany11n/a
Belgium12NATO
France13NATO
Italy14NATO
Czechoslovakia / Czech Republic15NATO
Netherlands16NATO
South Africa17NATO
Brazil18Tier 1
Canada19Tier 2
Denmark20 and 21NATO
Greece22NATO
Iceland23NATO
Norway24NATO
Portugal25NATO
Turkey26NATO
Luxembourg27NATO
Argentina28Tier 2
Japan29Tier 1
Israel30Tier 2
Singapore31Tier 2
Spain32NATO
Malaysia33Tier 2
Thailand34Tier 1
Egypt35Tier 1
Republic of Korea36Tier 2
Estonia37NATO
Romania38NATO
Slovakia39NATO
Austria40Tier 2
Slovenia41NATO
Poland42NATO
United Nations-standard items43n/a
Indonesia44Tier 2
Philippines45Other
Lithuania46NATO
Fiji47Other
Tonga48Other
Bulgaria49NATO
Hungary50NATO
Chile51Tier 1
Croatia52NATO
North Macedonia53NATO
Latvia54NATO
Oman55Tier 1
Russian Federation56Other
Finland57NATO
Albania58NATO
Kuwait59Other
Ukraine60Tier 2
Belarus61Tier 2
Morocco62Tier 1
Sweden63NATO
Papua, New Guinea64Other
Australia65Tier 2
Afghanistan66Other
Georgia67Tier 1
Saudi Arabia69n/a
United Arab Emirates70Tier 1
India71Tier 2
Serbia72Tier 2
Pakistan73Other
Bosnia-Herzegovina74Tier 1
Brunei75Tier 1
Montenegro76NATO
Jordan77Tier 1
Peru78Tier 1
Colombia79Tier 2
Qatar80Tier 1
Algeria81Other
New Zealand82Tier 2
United Kingdom98 and 99NATO
What is your process for locating excess inventory for hard-to-find NSN PARTS?

When a part is not immediately available through standard distribution channels, our sourcing team conducts a multi-channel search that includes authorized distributor networks, government surplus and DLA excess inventory, independent broker networks, and manufacturer direct channels where applicable. Every potential source is evaluated for authenticity and traceability before we present it as a viable option. We do not source from unvetted or unknown suppliers, and we will never offer parts we cannot document. If we locate stock, we provide full sourcing details with your quote so your procurement and quality teams can make an informed decision before committing to an order.

Are parts sourced through NSN-PARTS.COM traceable back to the original manufacturer?

We make every effort to ensure full chain-of-custody traceability for every part we supply. Our preferred sourcing path is always manufacturer-direct or through authorized distribution channels, which provides the strongest traceability and the lowest counterfeit risk. When parts must be sourced through independent or excess channels; as is often the case for obsolete or long-discontinued components, we require sourcing documentation at every link in the chain and apply additional scrutiny to confirm authenticity. Parts that cannot be adequately documented are not offered for sale. If your program has specific traceability requirements such as QPL, QML, or QSLD compliance, please include those details in your RFQ so we can confirm sourcing eligibility upfront.

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