The Washer,key, cataloged under National Stock Number 5310-00-285-9050, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-285-9050 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Internal Prebent Key Width | 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.938 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN |
| Material Thickness | 0.032 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN |
| External Key Quantity | 11 |
| Internal Prebent Key Length | 0.031 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN |
| Color | BLACK OVERALL |
| External Prebent Key Width | 0.108 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN |
| Material | STEEL COMP 1010 OVERALL |
| Hole Diameter | 0.674 INCHES MINIMUM AND 0.694 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 |
|---|---|
| 10-35473 | 3/9 Design control — primary reference Teledyne Industries Inc Teledyne Power Systems Div |
| 10-35473 | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
| 10-35473 | 5/9 Secondary reference Unison Industries Llc |
NSN 5310-00-285-9050 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-285-9050: Internal Prebent Key Width: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Overall Distance Including Keys: 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 12 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.