The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-00-690-0592, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-690-0592 |
| Primary Part Number | 7793544 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Flange Diameter | 0.499 INCHES NOMINAL IN |
| Body Outside Diameter | 0.499 INCHES NOMINAL IN |
| Style Designator | PARALLEL |
| Material Document and Classification | QQ-S-637, COMP 1117 FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-637, COMP 1118 FED SPEC 2ND MATERIAL RESPONSE |
| Body Inside Diameter | 0.313 INCHES NOMINAL IN |
| Casehardening Indicator | CASEHARDENED |
| Surface Treatment | PHOSPHATE |
| Material | STEEL COMP 1117 OR STEEL COMP 1118 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7793544 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 1005006900592 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 7793544 | 5/9 Secondary reference Springfield Armory |
NSN 5340-00-690-0592 is a Retainer,helical Compression Spr, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-690-0592 has 1 manufacturer part number on file: 7793544 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-361-2281. Verify interchangeability with system specifications before substitution.
Key specifications for 7793544: Flange Diameter: 0.499 INCHES NOMINAL IN; Overall Height: 0.437 INCHES NOMINAL IN; Body Outside Diameter: 0.499 INCHES NOMINAL IN; Style Designator: PARALLEL. 8 specifications are 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.
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.