Skip to content

4720-00-764-5270 (764-5271EXCEPT22INLG)

4720-00-764-5270 is equivalent to manufacture part number 106972-101-0220. It is a metallic hose assembly and is classified under Federal Supply Class 4720 (4720 - Hose and Flexible Tubing), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4720 - Hose and Flexible Tubing and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.

NSN: 4720007645270
ALT NSN: 4720-00-764-5270
NIIN: 00-764-5270
NCB: 00
FSC: 4720
NSIN: 764-5270
MNF PART: 106972-101-0220
DESC: HOSE ASSEMBLY, METALLIC
ALT DESC: METALLIC HOSE ASSEMBLY
MNF ALT's: 106972-101-0220 | 106972-102-0220 | 353-032-0063-0220 | 764-5271EXCEPT22INLG | 82552-220 | A200043A
OTHER ALT's: 1069721010220 | 1069721020220 | 35303200630220 | 7645271EXCEPT22INLG | 82552220 | A200043A

SKU 764-5271EXCEPT22INLG

4720 - Categorized Part
4720 - Hose and Flexible Tubing

Request a quote
Federal Supply Class · 4720 - HOSE AND FLEXIBLE TUBING
Part & Reference Numbers (7)
Part NumberCAGEManufacturerStatusRNCCRNVCDACRNAACRNFCRNSCRNJCSADCHCCMSDS
106972-101-022096142SENIOR OPERATIONS LLCA596AX4B
106972-102-022096142SENIOR OPERATIONS LLCA59EAX4B
353-032-0063-022096142SENIOR OPERATIONS LLCA59EAXB
353-032-0063-022098769SENIOR OPERATIONS LLCA32EAX
764-5271EXCEPT22INLG50885AIRCRAFT METAL PRODUCTS CORP.H59EAX4B
82552-22070510HYSPAN PRECISION PRODUCTS, INC.A321AX4A
A200043A60535FLEXIBLE METAL INCA52AAX
Item Characteristics (21)
CharacteristicRequirement / Reply
CROSS-SECTIONAL SHAPE STYLEROUND
THREAD CLASS3B FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST END
INSIDE DIAMETER0.500 INCHES NOMINAL
OUTSIDE DIAMETER1.155 INCHES NOMINAL
MINIMUM INSIDE BENDING RADIUS6.000 INCHES
INNER CONVEYING TUBE STYLEANNULAR CLOSE-PITCH CORRUGATED
CONNECTION STYLESWIVEL NUT, FLARELESS FIRST END
END CONNECTION DESIGNSTRAIGHT FIRST END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
FEATURES PROVIDEDIDENTICAL ENDS
NOMINAL THREAD SIZE0.750 INCHES FIRST END
OPERATING PRESSURE2200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
SEAT ANGLE12.0 DEGREES FIRST END
HYDROSTATIC TEST PRESSURE6000.0 POUNDS PER SQUARE INCH
MEASURING METHOD AND LENGTH22.000 INCHES NOMINAL WORKING
SPECIAL FEATURESTHREADS SHALL BE COATED WITH ELECTROFILM NO. 1000 AND NO. 2006 LUBRICANTS AND BAKED ON
ITEM STRUCTURAL COMPOSITIONBRAIDED BRONZE WIRE FIRST LAYER
ITEM STRUCTURAL COMPOSITIONBRAIDED CORROSION RESISTANT STEEL WIRE OUTER LAYER
ITEM STRUCTURAL COMPOSITIONBRAIDED CORROSION RESISTANT STEEL WIRE SECOND LAYER
THREAD SERIES DESIGNATORUNF FIRST END
Management Data
MOESOSAACUIUI ConvMgmt CtrlUnit PriceQUPCIICSLCEffectiveC/H
DFSMSFEA--9---N$01U001-NOV-2025C
DSSMSFEA$65.071U001-OCT-2025C
MOE Rules (1)
MOE RuleFormerAssignedAMCAMSCIMCIMCA
FXGCFXAX01-APR-061CZSX
Freight / Transportation
NMFCSubWCCTCCDescription
051140Z713ZHOSE:NOI TUBING
Phrase Data (4)
CodeStatementMOEUSC
QFABRICATE OR ASSEMBLE 4720-00-554-8086DSI
QFABRICATE OR ASSEMBLE 4730-00-541-6603DFF
QFABRICATE OR ASSEMBLE 4720-00-554-8086DFF
QFABRICATE OR ASSEMBLE 4730-00-541-6603DSI
Identification
Item Name Code (INC)17972
Primary INC (PINC)0017972
NIIN Assigned01-JAN-1960
Schedule B (Export)7307225000
Precious Metals Ind (PMIC)U
Criticality CodeX
DEMIL CodeA
Hazardous Material Ind (HMIC)N
Item Indicator (II)4
RPD MRC9
FedMallY
Shipping Weight & Cube
Shipping Weight0.2 lb
Shipping Cube0.001 cu ft
Standardization / Related NSNs (1)
Related NSNISCDecision Date
217-JAN-1973
Supersedes (Cancelled NSNs) (1)
Cancelled NSNEffective
4720-00-461-607219-SEP-1971

If the NSN isn't available, are there substitutes or alternate part numbers for NSN 4720-00-764-5270?

NSN 4720-00-764-5270 is associated with the following manufacturer alternate part numbers: 106972-101-0220, 106972-102-0220, 353-032-0063-0220, 764-5271EXCEPT22INLG, 82552-220, A200043A. 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

4720-00-764-5270

What National Stock Number (NSN) Category does this 4720-00-764-5270


NSN 4720-00-764-5270 belongs to Federal Supply Class 4720 which is 4720 - Hose and Flexible Tubing. 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 4720-00-764-5270 have an alternate part number?

Yes. NSN 4720-00-764-5270 is also referenced by manufacturer part number 7645271EXCEPT22INLG, where 7645271EXCEPT22INLG is the original equipment manufacturer designation for this item. When sourcing this part, buyers may encounter either the NSN 4720-00-764-5270 or the MPN 7645271EXCEPT22INLG 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 00, 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.

Testimonials

Sent an RFQ on a Friday afternoon and had a quote back within the hour. Parts showed up ahead of schedule. That kind of response time matters a lot when equipment is down.

Lead Tech, Part 145 Repair Station

We work on older military equipment and finding parts is a constant battle. NSN-Parts has come through for us more times than I can count. Good people, fast turnaround.

Diane R., Defense Contractor – Procurement

I had three distributors tell me a part was gone for good. NSN-Parts had it in stock and shipped it the same day. They're my first call now

Logistics Specialist, USAF

The FSC search actually works. I found what I needed without digging through a bunch of irrelevant results. Ordering was simple and the parts were exactly what was listed.

Priya M., Supply Chain Analyst

I've been sourcing NSN parts for a long time and it's hard to find a distributor that really knows the catalog. These guys do. They answer questions fast and know what they're talking about.

Robert H., Aviation Parts Buyer

Accreditations