The Washer,spring Tension, cataloged under National Stock Number 5310-00-504-7839, is classified within Federal Supply Class 5310 (Nuts and Washers) 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 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-504-7839 |
| Primary Part Number | 5047839 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Material Document and Classification | QQ-N-321 TY 6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN |
| Material Thickness | 0.007 INCHES NOMINAL IN |
| Material | COPPER ALLOY 752 OR COPPER ALLOY 794 OVERALL |
| Hole Diameter | 0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5047839 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 5310-00-504-7839 is a Washer,spring Tension, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-504-7839 has 1 manufacturer part number on file: 5047839 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 5047839: Overall Height: 0.078 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN; Material Document and Classification: QQ-N-321 TY 6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN; Material Thickness: 0.007 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
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.