The Spring,retaining, cataloged under National Stock Number 5360-00-477-3901, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion. The record lists 1 manufacturer part number 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 | Spring,retaining |
| FSC / FSG | 5360 — Coil, Flat, Leaf, and Wire Springs (FSG 53) |
| Manufacturers | Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion (CAGE 16848) |
| Parameter | Value |
|---|---|
| NSN | 5360-00-477-3901 |
| Primary Part Number | 210028-1 |
| Item Name | Spring,retaining |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 210028-1 PRIMARY | Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion (USA) |
NSN 5360-00-477-3901 is a Spring,retaining, manufactured by Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-477-3901 has 1 manufacturer part number on file: 210028-1 (Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-701-7513. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). 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.