The Transformer,power, cataloged under National Stock Number 5950-00-010-7672, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-010-7672 |
| Primary Part Number | 77C704761-1 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Transformer Winding Connection Type | WYE-DELTA |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | THREE PHASE TO THREE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Body Width | 4.000 INCHES MAXIMUM IN |
| Body Height | 6.000 INCHES MAXIMUM IN |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT |
| Nominal Thread Size | 0.250 INCHES SINGLE GROUP IN |
| Maximum Operating Temp | 65.0 CELSIUS DEGC |
| Body Length | 4.690 INCHES MAXIMUM IN |
| Winding Operating Current | 4.5 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Current | 1.8 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Thread Quantity Per Inch | 20 SINGLE GROUP |
| Winding Operating Voltage | 16.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Voltage | 12.60 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 20.30 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 9 SOLDER STUD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PEI 7146 | Precision Electronics, Inc (USA) |
| 43063 | Coast/advanced Chip Magnetics, Inc. (USA) |
| 77C704761-1 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 77C704761P001 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rms |
NSN 5950-00-010-7672 is a Transformer,power, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-010-7672 has 3 manufacturer part numbers on file: PEI 7146 (Precision Electronics, Inc), 43063 (Coast/advanced Chip Magnetics, Inc.), 77C704761-1 (Lockheed Martin Corporation Div Rms).
9 possible matches (shared part number, not a government interchangeability claim): 2810-00-118-4980, 5950-00-426-2675, 6685-01-046-0748. Verify interchangeability with system specifications before substitution.
Key specifications for 77C704761-1: Overall Height: 6.640 INCHES MAXIMUM IN; Transformer Winding Connection Type: WYE-DELTA; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED. 24 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.