The Transformer,power Autotransforme, cataloged under National Stock Number 5950-01-528-0631, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is U.s. Pioneer, L.l.c.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-528-0631 |
| Primary Part Number | 12339-101 |
| Item Name | Transformer,power Autotransforme |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | U.s. Pioneer, L.l.c. |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Adjustment Device Drive Type | SHAFT SINGLE COMPONENT |
| 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 |
|---|---|
| 12324 ITEM 10 | U.s. Pioneer, L.l.c. (USA) |
| 12339-101 PRIMARY | U.s. Pioneer, L.l.c. (USA) |
NSN 5950-01-528-0631 is a Transformer,power Autotransforme, manufactured by U.s. Pioneer, L.l.c., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-528-0631 has 2 manufacturer part numbers on file: 12324 ITEM 10 (U.s. Pioneer, L.l.c.), 12339-101 (U.s. Pioneer, L.l.c.).
Key specifications for 12339-101: Mounting Facility Quantity: 4 SINGLE GROUP; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP; Adjustment Device Drive Type: SHAFT SINGLE COMPONENT; Part Name Assigned by Controlling Agency: W10 VARIABLE AUTOTRANSFORMER. 3 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.