The Washer,key, cataloged under National Stock Number 5310-01-340-7410, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Watervliet Arsenal Div Business Development. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-340-7410 |
| Primary Part Number | 12591500 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| Style Designator | KEY |
| Material Document and Classification | ASTM A619 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A621 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.6425 INCHES MINIMUM AND 0.6675 INCHES MAXIMUM IN |
| Material Thickness | 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN |
| External Straight Key Width | 0.292 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Distance From Centerline to End of Key | 0.605 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.380 INCHES MINIMUM AND 0.385 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 |
| Part Number | Manufacturer |
|---|---|
| 12591500 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
NSN 5310-01-340-7410 is a Washer,key, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-340-7410 has 1 manufacturer part number on file: 12591500 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for 12591500: Style Designator: KEY; Material Document and Classification: ASTM A619 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A621 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.6425 INCHES MINIMUM AND 0.6675 INCHES MAXIMUM IN; Material Thickness: 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN. 8 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.