The Washer,finishing, cataloged under National Stock Number 5310-00-522-2581, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Watervliet Arsenal Div Business Development. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-522-2581 |
| Primary Part Number | 5222581 |
| Item Name | Washer,finishing |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| Material Document and Classification | QQ-B-691,CANCELED FED SPEC 1ST MATERIAL RESPONSE AND QQ-C-593-CANCELED FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.279 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN |
| Hole Diameter | 1.510 INCHES MINIMUM AND 1.520 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 |
|---|---|
| 5222581 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
| Reference | Meaning |
|---|---|
| 5222581 | 5/9 Secondary reference Army, United States Department of the Dba Rock Island Arsenal Jmtc |
NSN 5310-00-522-2581 is a Washer,finishing, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-522-2581 has 1 manufacturer part number on file: 5222581 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for 5222581: Overall Height: 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN; Material Document and Classification: QQ-B-691,CANCELED FED SPEC 1ST MATERIAL RESPONSE AND QQ-C-593-CANCELED FED SPEC 2ND MATERIAL RESPONSE OVERALL; Outside Diameter: 2.279 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN; Hole Diameter: 1.510 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN. 3 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.