The Washer,spring Tension, cataloged under National Stock Number 5310-01-341-4753, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-341-4753 |
| Primary Part Number | 12591820 |
| 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 |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-C-81562,TYPE 2 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM |
| Style Designator | SPRING TENSION |
| Outside Diameter | 0.906 INCHES NOMINAL IN |
| Material Thickness | 0.0354 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE OR CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.402 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 12591820 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 5310-01-341-4753 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 5310-01-341-4753 has 1 manufacturer part number on file: 12591820 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12591820: Overall Height: 0.065 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-C-81562,TYPE 2 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM; Style Designator: SPRING TENSION. 8 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.