The Washer,shouldered, cataloged under National Stock Number 5310-00-962-8319, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-962-8319 |
| Primary Part Number | 10630021-1 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Shoulder Height | 0.030 INCHES NOMINAL IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | MIL-M-20693,TY 3,GRADE E MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.312 INCHES NOMINAL IN |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| Shoulder Diameter | 0.218 INCHES NOMINAL IN |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Hole Diameter | 0.125 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 |
|---|---|
| 21F2-04 | Lockheed Martin Corporation (USA) |
| 21F2-04 | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| 10630021-1 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5310-00-962-8319 is a Washer,shouldered, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-962-8319 has 3 manufacturer part numbers on file: 21F2-04 (Lockheed Martin Corporation), 21F2-04 (Lockheed Martin Corporation Div Rotary and Mission Systems), 10630021-1 (Us Army Aviation and Missile Command).
Key specifications for 10630021-1: Shoulder Height: 0.030 INCHES NOMINAL IN; Style Designator: SHOULDERED; Material Document and Classification: MIL-M-20693,TY 3,GRADE E MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.312 INCHES NOMINAL IN. 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.