The Washer,spring Tension, cataloged under National Stock Number 5310-01-115-0771, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-115-0771 |
| Primary Part Number | 12524610-1 |
| 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 |
| Hardness Rating | 52.0 ROCKWELL C MAXIMUM |
| Style Designator | SPRING TENSION |
| Outside Diameter | 22.8 MILLIMETERS MINIMUM AND 23.0 MILLIMETERS MAXIMUM MM |
| Material Thickness | 1.5 MILLIMETERS NOMINAL MM |
| Surface Treatment | PHOSPHATE OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 12.2 MILLIMETERS MINIMUM AND 12.4 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| 12524610-1 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| BS23-12.2-.5 | 5/9 Secondary reference Bearing Engineers Inc Dba Motion Solutions |
NSN 5310-01-115-0771 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 5310-01-115-0771 has 1 manufacturer part number on file: 12524610-1 (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): 5310-01-563-8052. Verify interchangeability with system specifications before substitution.
Key specifications for 12524610-1: Overall Height: 2.1 MILLIMETERS NOMINAL MM; Hardness Rating: 52.0 ROCKWELL C MAXIMUM; Style Designator: SPRING TENSION; Outside Diameter: 22.8 MILLIMETERS MINIMUM AND 23.0 MILLIMETERS MAXIMUM MM. 7 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.