Skip to content

5950-01-235-2154 (85-33017)

5950-01-235-2154 is equivalent to manufacture part number 21-151. It is a current transformer and is classified under Federal Supply Class 5950 (5950 - Coils and Transformers), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5950 - Coils and Transformers and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.

NSN 5950012352154
ALT NSN 5950-01-235-2154
NIIN 01-235-2154
NCB 01
FSC 5950
NSIN 235-2154
MNF PART 21-151
DESC TRANSFORMER, CURRENT
ALT DESC CURRENT TRANSFORMER
MNF ALT's 21-151 | 85-33017
OTHER ALT's 21151 | 8533017
Availability:
1+ in stock, ready to be shipped
Check Inventory

The more detail you share, the faster and more accurate your quote.

Part & Reference Numbers (2)
Part NumberCAGEManufacturer StatusRNCCRNVCDACRNAACRNFCRNSCRNJCSADCHCCMSDS
21-151 59138 INSTRUMENT TRANSFORMERS INC A 5 2 5 TX
85-33017 30554 DEPARTMENT OF DEFENSE PROJECT A 3 2 A TX
Item Characteristics (28)
MRCRequirementReply
AARGRELIABILITY INDICATORNOT ESTABLISHED
ABHPOVERALL LENGTH5.610 INCHES NOMINAL
ABKQCENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH4.160 INCHES NOMINAL FIRST MOUNTING FACILITY FIRST CENTER GROUP
ABKQCENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH5.030 INCHES NOMINAL FIRST MOUNTING FACILITY SECOND CENTER GROUP
ABKRCENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH3.500 INCHES NOMINAL FIRST MOUNTING FACILITY SECOND CENTER GROUP
ABKRCENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH0.275 INCHES NOMINAL FIRST MOUNTING FACILITY FIRST CENTER GROUP
ABTBMOUNTING HOLE DIAMETER0.350 INCHES NOMINAL THIRD GROUP
ABTDMOUNTING SLOT WIDTH0.220 INCHES NOMINAL FIRST GROUP
ABTDMOUNTING SLOT WIDTH0.440 INCHES NOMINAL SECOND GROUP
ACZBFREQUENCY RATING60.0 HERTZ NOMINAL SINGLE COMPONENT
ACZCINPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
ADATBODY WIDTH4.620 INCHES NOMINAL
ADAUBODY HEIGHT5.080 INCHES NOMINAL
AEHZMAXIMUM OPERATING TEMP125.0 CELSIUS
AEJNDISTANCE BETWEEN MOUNTING FACILITY CENTERS3.760 INCHES NOMINAL SECOND MOUNTING FACILITY SINGLE CENTER GROUP
AGAVEND ITEM IDENTIFICATION6115-01-143-3850 GENERATOR ALTERNATING
AKNAINCLOSURE TYPEFULLY INCLOSED
AKPVMOUNTING FACILITY QUANTITY2 THIRD GROUP
AKPVMOUNTING FACILITY QUANTITY4 SECOND GROUP
AKPVMOUNTING FACILITY QUANTITY4 FIRST GROUP
AXGYMOUNTING METHODBRACKET(S) AND SLOT FIRST GROUP
AXGYMOUNTING METHODTAB AND SLOT SECOND GROUP
AXGYMOUNTING METHODUNTHREADED HOLE(S) THIRD GROUP
BPLCWINDING FUNCTION AND QUANTITY1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
CRBZWINDING OPERATING CURRENT150.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
CRBZWINDING OPERATING CURRENT5.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
FEATSPECIAL FEATURESPRIMARY RATED BUT NOT INCLUDED
TTQYTERMINAL TYPE AND QUANTITY2 SOLDER STUD
Management Data
MOESOSAACUIUI ConvMgmt CtrlUnit PriceQUPCIICSLCEffectiveC/H
DA SMS J EA Q2200X- $99.9 1 U 0 01-OCT-2025 C
DF SMS J EA SF9EH-N $99.9 1 U 0 01-OCT-2025 C
DN SMS J EA 9B----- $99.9 1 U 0 01-OCT-2025 C
DS SMS J EA $99.9 1 U 0 01-OCT-2025 C
Army Management
MATCAT 1MATCAT 2MATCAT 3MATCAT 4/5ARC
Q2200X
Navy Management
COGSMICIRRCSMCC
9B
Air Force Management
ERRCFundBudgetMMACPVC
NSF9EHN
MOE Rules (3)
MOE RuleFormerAssignedAMCAMSCIMCIMCANIMSCDSORPICASICAAACCollaboratorsReceivers
A918 A196 01-JUN-06 3 C Z AJ GX CD CD GX
FXGX FXTX 01-JUN-06 3 C Z SX GX SX GX TU
N9BN 01-DEC-13 3 C Z GH GX GH GX GG
Freight / Transportation
NMFCSubUFCHMCLTLLCLWCCTCCSHCADCACCRVCIntegActyDescription
063420 Z 35355 W 595 Z 9 A HZ TH TRANSFORMERS,NOI,OR TRANSFORMER PAR
Packaging Data — Part 1
PICA/SICATOSICQMOPClng/DryPres MatWrap MatPkg CatCush/DunThkUIUnit ContSourceUnpkg WtUnpkg Dim
P A AAA 41 1 00 00 16Z0 NA C EA E8 P .
Packaging Data — Part 2
PICA/SICALvl ALvl BLvl CUCLSpc MkgInter ContOPIPack WtPack CubePack DimSupplemental
P Q Q 06 E5 M 0009.4 0000.076 0056 X 0046 X 0051
Special Packaging Instructions (1)
Design ActyContainer NSNSPI NoRevSPI DatePICA/SICA
14933 P
Identification
Item Name Code (INC)00738
Primary INC (PINC)0000738
NIIN Assigned26-JUN-1986
Precious Metals Ind (PMIC)A
Criticality CodeX
DEMIL CodeA
DEMIL Integrity Code1
Hazardous Material Ind (HMIC)P
Item Indicator (II)4
RPD MRC9
FedMallY
Shipping Weight & Cube
Shipping Weight9.5 lb
Shipping Cube0.075 cu ft
Standardization / Related NSNs (1)
Related NSNISCDecision Date
526-JUN-1986

If the NSN isn't available, are there substitutes or alternate part numbers for NSN 5950-01-235-2154?

NSN 5950-01-235-2154 is associated with the following manufacturer alternate part numbers: 21-151, 85-33017. 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

5950-01-235-2154

What National Stock Number (NSN) Category does this 5950-01-235-2154


NSN 5950-01-235-2154 belongs to Federal Supply Class 5950 which is 5950 - Coils and Transformers. 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 5950-01-235-2154 have an alternate part number?

Yes. NSN 5950-01-235-2154 is also referenced by manufacturer part number 8533017, where 8533017 is the original equipment manufacturer designation for this item. When sourcing this part, buyers may encounter either the NSN 5950-01-235-2154 or the MPN 8533017 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.

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

Accreditations