The Washer,spring Tension, cataloged under National Stock Number 5310-01-722-0752, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company. Government technical data includes 9 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 | 5310-01-722-0752 |
| Primary Part Number | 71241 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastenal Company |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM A380/A380M ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | SPRING TENSION |
| Outside Diameter | 0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN |
| Material Thickness | 0.042 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Color | SILVER OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.511 INCHES MINIMUM AND 0.551 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 |
|---|---|
| 71241 PRIMARY | Fastenal Company (USA) |
NSN 5310-01-722-0752 is a Washer,spring Tension, manufactured by Fastenal Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-722-0752 has 1 manufacturer part number on file: 71241 (Fastenal Company).
Key specifications for 71241: Overall Height: 0.105 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM A380/A380M ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Style Designator: SPRING TENSION; Outside Diameter: 0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN. 9 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.