The Washer,spring Tension, cataloged under National Stock Number 5310-01-040-9317, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-040-9317 |
| Primary Part Number | 642AS0705 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Outside Diameter | 0.881 INCHES NOMINAL0.881 INCHES NOMINAL IN |
| Material Thickness | 0.022 INCHES NOMINAL0.022 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.582 INCHES NOMINAL0.582 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 |
|---|---|
| 642AS0705 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| A367-172 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-040-9317 is a Washer,spring Tension, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-040-9317 has 1 manufacturer part number on file: 642AS0705 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 642AS0705: Overall Height: 0.160 INCHES NOMINAL0.160 INCHES NOMINAL IN; Outside Diameter: 0.881 INCHES NOMINAL0.881 INCHES NOMINAL IN; Material Thickness: 0.022 INCHES NOMINAL0.022 INCHES NOMINAL IN; Material: STEEL OVERALL. 4 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.