The Transformer,power, cataloged under National Stock Number 5950-01-520-9677, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-520-9677 |
| Primary Part Number | PSSSN21C-94 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| 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 |
|---|---|
| PSSSN21C-94 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 211045603 | 3/2 Design control — primary reference U.S. Government activity |
| 7409536 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5950-01-520-9677 is a Transformer,power, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-520-9677 has 1 manufacturer part number on file: PSSSN21C-94 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for PSSSN21C-94: Special Features: END ITEM:TRANSFORMER WITH 75KVA, 450/120V 3PH 60HZ V; End Item Identification: WEAPON SYSTEM: SEAWOLF CLASS SSN. 0 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.