The Washer,key, cataloged under National Stock Number 5310-00-153-8758, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-153-8758 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Internal Straight Key Width | 0.260 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 1.054 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | QQ-S-741 FED SPEC 1ST MATERIAL RESPONSE AND QQ-T-830 FED SPEC 2ND MATERIAL RESPONSE AND QQ-S-634 FED SPEC 3RD MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.810 INCHES NOMINAL IN |
| Material Thickness | 0.187 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 2.400 INCHES MINIMUM AND 2.425 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 |
|---|---|
| 2584762 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-153-8758 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-153-8758: Internal Straight Key Width: 0.260 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 1.054 INCHES NOMINAL IN; Style Designator: KEY; Material Document and Classification: QQ-S-741 FED SPEC 1ST MATERIAL RESPONSE AND QQ-T-830 FED SPEC 2ND MATERIAL RESPONSE AND QQ-S-634 FED SPEC 3RD MATERIAL RESPONSE OVERALL. 9 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.