The Washer,lock, cataloged under National Stock Number 5310-00-889-2586, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-889-2586 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 0.323 INCHES NOMINAL IN |
| Material Thickness | 0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN |
| Surface Treatment | CHROMIUM OVERALL |
| Material | STEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL |
| Hole Diameter | 0.194 INCHES MINIMUM AND 0.202 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 |
| Reference | Meaning |
|---|---|
| 300-2263 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| SMB447694-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-889-2586 is a Washer,lock, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-889-2586: Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 0.323 INCHES NOMINAL IN; Material Thickness: 0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN. 7 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.