The Washer,key, cataloged under National Stock Number 5310-00-976-9713, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-976-9713 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| External Prebent Key Length | 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.740 INCHES NOMINAL IN |
| Small External Prebent Key Width | 0.110 INCHES MINIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | AMS 5040 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.430 INCHES NOMINAL IN |
| Material Thickness | 0.023 INCHES NOMINAL IN |
| External Key Quantity | 8 |
| External Prebent Key Angle | 22.0 DEGREES NOMINAL |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE FILM OVERALL |
| External Prebent Key Width | 0.120 INCHES NOMINAL IN |
| Material | STEEL COMP 1010 OVERALL |
| Angle Between External Keys | 45.0 DEGREES NOMINAL |
| Hole Diameter | 0.290 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 | F |
| Reference | Meaning |
|---|---|
| 37C300409P101 | 5/9 Secondary reference Crystal Machine and Die Corp |
| 37C300409P101 | 3/2 Design control — primary reference U.S. Government activity |
| 37C300409P101 | 5/9 Secondary reference General Electric Company |
NSN 5310-00-976-9713 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-976-9713: Surface Treatment Document and Classification: AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; External Prebent Key Length: 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN; Overall Distance Including Keys: 0.740 INCHES NOMINAL IN; Small External Prebent Key Width: 0.110 INCHES MINIMUM IN. 16 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.