The Transformer,special, cataloged under National Stock Number 5950-00-337-3871, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-337-3871 |
| Primary Part Number | 328AS307-1 |
| Item Name | Transformer,special |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | 5 IN. LG,3.5 IN. W,3.25 IN. H,FOUR 0.203 IN. W BY 0.343 IN. LG ELONGATED MTG HOLES ON 4.25 IN. BY 2.5 IN. MTG CENTERS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 328AS307-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| A624-2101 | Essex Electro Engineers Inc (USA) |
| Reference | Meaning |
|---|---|
| 778-253 | 5/2 Secondary reference U.S. Government activity |
NSN 5950-00-337-3871 is a Transformer,special, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-337-3871 has 2 manufacturer part numbers on file: 328AS307-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), A624-2101 (Essex Electro Engineers Inc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-122-7703. Verify interchangeability with system specifications before substitution.
Key specifications for 328AS307-1: General Characteristics Item Description: 5 IN. LG,3.5 IN. W,3.25 IN. H,FOUR 0.203 IN. W BY 0.343 IN. LG ELONGATED MTG HOLES ON 4.25 IN. BY 2.5 IN. MTG CENTERS IN. 1 specification is 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.
NSN 5950-00-337-3871 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.