The Coil,radio Frequency, cataloged under National Stock Number 5950-01-657-5897, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Coil,radio Frequency |
| FSC / FSG | 5950 — Coils and Transformers (FSG 59) |
| Manufacturers | Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion (CAGE 16848) |
| Parameter | Value |
|---|---|
| NSN | 5950-01-657-5897 |
| Primary Part Number | 252185-1 |
| Item Name | Coil,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion |
| Status | ACTIVE |
| 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 |
NSN 5950-01-657-5897 is a Coil,radio Frequency, manufactured by Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-657-5897 has 2 manufacturer part numbers on file: 252185-1 (Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion), 251007-1 (Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion).
1 possible match (shared part number, not a government interchangeability claim): 8145-01-671-0871. Verify interchangeability with system specifications before substitution.
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 5950-01-657-5897 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.