The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-382-2603, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Atec Inc. 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. Unit of issue: EA.
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Atec Inc (CAGE 09552) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-382-2603 |
| Primary Part Number | 157-1000-1 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Atec Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 157-1000-1 PRIMARY | Atec Inc (USA) |
NSN 5340-01-382-2603 is a Retainer,helical Compression Spr, manufactured by Atec Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-382-2603 has 1 manufacturer part number on file: 157-1000-1 (Atec Inc).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-714-8453. 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.
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.