The Transformer,power, cataloged under National Stock Number 5950-01-309-9704, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Pyser Sgi Limited. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-309-9704 |
| Primary Part Number | 302083 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Pyser Sgi Limited |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | PARTIALLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | BRACKET(S) AND SLOT SINGLE GROUP |
| Winding Function and Quantity | 2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Winding Operating Current | 4.0 AMPERES AC NOMINAL SINGLE COMPONENT ALL SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY |
| Winding Operating Voltage | 40.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY |
| Terminal Type and Quantity | 10 TAB, SOLDER LUG |
| Mounting Slot Width | 0.196 INCHES NOMINAL SINGLE GROUP IN |
| 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 |
|---|---|
| 302083 | Pyser Sgi Limited (GBR) |
| Reference | Meaning |
|---|---|
| 302083 | 5/9 Secondary reference Richards Imagery Interpretation Systems, L.l.c. |
| DL 80-2 | 3/9 Design control — primary reference Signal Transformer Co Inc |
NSN 5950-01-309-9704 is a Transformer,power, manufactured by Pyser Sgi Limited, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-309-9704 has 1 manufacturer part number on file: 302083 (Pyser Sgi Limited).
3 possible matches (shared part number, not a government interchangeability claim): 5365-01-417-8630, 1560-01-441-1981, 1560-01-625-7285. Verify interchangeability with system specifications before substitution.
Key specifications for 302083: Overall Height: 3.438 INCHES NOMINAL IN; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: PARTIALLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 14 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.