The Washer,spring Tension, cataloged under National Stock Number 5310-00-957-3133, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems. 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. 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 | 5310-00-957-3133 |
| Primary Part Number | 103744 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems |
| Status | ACTIVE |
| Material Document and Classification | QQ-C-533,1/4 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.281 INCHES NOMINAL IN |
| Material Thickness | 0.010 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.203 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 | X |
| Part Number | Manufacturer |
|---|---|
| 103744 PRIMARY | General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems (CAN) |
NSN 5310-00-957-3133 is a Washer,spring Tension, manufactured by General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-957-3133 has 1 manufacturer part number on file: 103744 (General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-245-3897. Verify interchangeability with system specifications before substitution.
Key specifications for 103744: Overall Height: 0.030 INCHES NOMINAL IN; Material Document and Classification: QQ-C-533,1/4 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.281 INCHES NOMINAL IN; Material Thickness: 0.010 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.