The Transformer,power, cataloged under National Stock Number 5950-00-156-0682, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Stevens J P and Co Inc Stevens Elastomerics Div. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-156-0682 |
| Primary Part Number | 1277LXV |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Stevens J P and Co Inc Stevens Elastomerics Div |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | OPEN |
| Winding Power Rating | 50.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 2.125 INCHES NOMINAL IN |
| Body Height | 2.281 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.188 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Body Length | 3.688 INCHES NOMINAL IN |
| Winding Operating Current | 435.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Terminal Type and Quantity | 7 WIRE LEAD |
| 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 |
|---|---|
| 1277LXV PRIMARY | Stevens J P and Co Inc Stevens Elastomerics Div (USA) |
| Reference | Meaning |
|---|---|
| N68X | 5/9 Secondary reference Magnetek Inc Huntington Div |
| 1277LXV | 5/9 Secondary reference Harris Graphics Corp the Cleveland Plant of the Newspaper Press Div |
| A53-004-1 | 5/9 Secondary reference Harris Graphics Corp the Cleveland Plant of the Newspaper Press Div |
NSN 5950-00-156-0682 is a Transformer,power, manufactured by Stevens J P and Co Inc Stevens Elastomerics Div, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-156-0682 has 1 manufacturer part number on file: 1277LXV (Stevens J P and Co Inc Stevens Elastomerics Div).
1 possible match (shared part number, not a government interchangeability claim): 5950-00-782-0377. Verify interchangeability with system specifications before substitution.
Key specifications for 1277LXV: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: OPEN; Winding Power Rating: 50.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 18 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.