The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-376-0639, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Heckler & Koch Defense Inc Dba Hkd Div Heckler and Koch Defense Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Heckler & Koch Defense Inc Dba Hkd Div Heckler and Koch Defense Inc (CAGE 3HN73) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-376-0639 |
| Primary Part Number | 214417 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Heckler & Koch Defense Inc Dba Hkd Div Heckler and Koch Defense Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 214417 PRIMARY | Heckler & Koch Defense Inc Dba Hkd Div Heckler and Koch Defense Inc (USA) |
| Reference | Meaning |
|---|---|
| 214417 | 3/9 Design control — primary reference Heckler & Koch, Inc. |
| 201517 | 5/9 Secondary reference Heckler & Koch, Inc. |
NSN 5340-01-376-0639 is a Retainer,helical Compression Spr, manufactured by Heckler & Koch Defense Inc Dba Hkd Div Heckler and Koch Defense Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-376-0639 has 1 manufacturer part number on file: 214417 (Heckler & Koch Defense Inc Dba Hkd Div Heckler and Koch Defense Inc).
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 5340-01-376-0639 has DEMIL Code B. 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.