The Washer,lock, cataloged under National Stock Number 5310-00-534-0827, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-534-0827 |
| Primary Part Number | 9001071 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Style Designator | FLAT INTERNAL TEETH |
| Outside Diameter | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Material Thickness | 0.022 INCHES NOMINAL IN |
| Material | NICKEL ALLOY OVERALL |
| Hole Diameter | 0.500 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 |
|---|---|
| 9001071 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 9BMD43B13596 | 5/9 Secondary reference U.S. Government activity |
| 1224-02-2600 | 5/9 Secondary reference Itw Shakeproof Automotive Products |
NSN 5310-00-534-0827 is a Washer,lock, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-534-0827 has 1 manufacturer part number on file: 9001071 (Us Army Aviation and Missile Command).
2 possible matches (shared part number, not a government interchangeability claim): 5835-01-088-1787, 5950-01-200-7281. Verify interchangeability with system specifications before substitution.
Key specifications for 9001071: Style Designator: FLAT INTERNAL TEETH; Outside Diameter: 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN; Material Thickness: 0.022 INCHES NOMINAL IN; Material: NICKEL ALLOY OVERALL. 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.