The Washer,key, cataloged under National Stock Number 5310-00-980-3416, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-980-3416 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Internal Prebent Key Width | 0.166 INCHES NOMINAL IN |
| Overall Distance Including Keys | 1.400 INCHES NOMINAL IN |
| Hardness Rating | 85.0 ROCKWELL SUPERFICIAL 15-T MINIMUM AND 89.0 ROCKWELL SUPERFICIAL 15-T MAXIMUM |
| Style Designator | KEY |
| Material Document and Classification | AMS5044 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.198 INCHES NOMINAL IN |
| Material Thickness | 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| External Key Quantity | 13 |
| Internal Prebent Key Length | 0.074 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE FILM OVERALL |
| External Prebent Key Width | 0.156 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.968 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 |
|---|---|
| 2-070-009-02 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-980-3416 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-980-3416: Surface Treatment Document and Classification: AMS2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Internal Prebent Key Width: 0.166 INCHES NOMINAL IN; Overall Distance Including Keys: 1.400 INCHES NOMINAL IN; Hardness Rating: 85.0 ROCKWELL SUPERFICIAL 15-T MINIMUM AND 89.0 ROCKWELL SUPERFICIAL 15-T MAXIMUM. 14 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.