The Washer,spring Tension, cataloged under National Stock Number 5310-01-391-5142, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-391-5142 |
| Primary Part Number | 657980 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | SPRING TENSION |
| Material Document and Classification | AMS5529 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.312 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN |
| Material Thickness | 0.028 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 631 OVERALL |
| Hole Diameter | 1.065 INCHES MINIMUM AND 1.075 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 |
|---|---|
| 657980 | Raytheon Company (USA) |
| 657980 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 657980 | 1/2 Source control — Government-approved source U.S. Government activity |
| AS-301-883 | 5/9 Secondary reference U.S. Government activity |
| 657980 | 5/9 Secondary reference Raytheon Company Div Corp |
| FS-5845/SCHR-SW | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-01-391-5142 is a Washer,spring Tension, manufactured by Raytheon Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-391-5142 has 2 manufacturer part numbers on file: 657980 (Raytheon Company), 657980 (Raytheon Company Dba Raytheon Co).
Key specifications for 657980: Overall Height: 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: SPRING TENSION; Material Document and Classification: AMS5529 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.