The Washer,key, cataloged under National Stock Number 5310-00-680-6836, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-680-6836 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Internal Prebent Key Width | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.614 INCHES MINIMUM AND 0.654 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.364 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN |
| Material Thickness | 0.030 INCHES NOMINAL IN |
| External Straight Key Width | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN |
| External Key Quantity | 7 |
| Internal Prebent Key Length | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 321 OVERALL |
| Hole Diameter | 0.251 INCHES MINIMUM AND 0.261 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 |
|---|---|
| 913B300P1 | 3/2 Design control — primary reference U.S. Government activity |
| 913B300P1 | 5/9 Secondary reference General Electric Company |
NSN 5310-00-680-6836 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-680-6836: Surface Treatment Document and Classification: MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Internal Prebent Key Width: 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Overall Distance Including Keys: 0.614 INCHES MINIMUM AND 0.654 INCHES MAXIMUM IN; Style Designator: KEY. 13 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.