The Washer,key, cataloged under National Stock Number 5310-01-226-9071, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-226-9071 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Wire Hole Diameter | 0.120 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Key Center to Wire Hole Center | 0.734 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-766,1/2 HARD FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 0.440 INCHES NOMINAL IN |
| Material Thickness | 0.030 INCHES NOMINAL IN |
| External Prebent Key Angle | 45.0 DEGREES NOMINAL |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 301 OR STEEL COMP 302 OVERALL |
| Hole Diameter | 0.180 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 |
| Reference | Meaning |
|---|---|
| SM-B-989888-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-226-9071 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-226-9071: Wire Hole Diameter: 0.120 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Distance From Key Center to Wire Hole Center: 0.734 INCHES NOMINAL IN; Material Document and Classification: QQ-S-766,1/2 HARD FED SPEC ALL MATERIAL RESPONSES OVERALL. 10 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.