The Washer,spring Tension, cataloged under National Stock Number 5310-01-497-9986, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-497-9986 |
| Primary Part Number | 122-4734979 P/N 12 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Outside Diameter | 1.564 INCHES MINIMUM AND 1.576 INCHES MAXIMUM IN |
| Material Thickness | 0.058 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.803 INCHES MINIMUM AND 0.815 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 |
|---|---|
| 122-4734979 P/N 12 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5310-01-497-9986 is a Washer,spring Tension, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-497-9986 has 1 manufacturer part number on file: 122-4734979 P/N 12 (Naval Sea Systems Command).
Key specifications for 122-4734979 P/N 12: Overall Height: 0.094 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN; Style Designator: SPRING TENSION; Outside Diameter: 1.564 INCHES MINIMUM AND 1.576 INCHES MAXIMUM IN; Material Thickness: 0.058 INCHES MINIMUM AND 0.060 INCHES MAXIMUM 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.