The Washer,key, cataloged under National Stock Number 5310-00-415-1850, 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9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-415-1850 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Overall Distance Including Keys | 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | AISI ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 1.183 INCHES MINIMUM AND 1.193 INCHES MAXIMUM IN |
| Material Thickness | 0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN |
| External Straight Key Width | 0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN |
| External Key Quantity | 6 |
| Material | STEEL COMP 1213 OR STEEL COMP 1211 OR STEEL COMP 1117 OVERALL |
| Hole Diameter | 1.065 INCHES MINIMUM AND 1.075 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 |
|---|---|
| 702785 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-415-1850 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-415-1850: Overall Distance Including Keys: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 1.183 INCHES MINIMUM AND 1.193 INCHES MAXIMUM IN. 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.