The Washer,key, cataloged under National Stock Number 5310-01-717-4740, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Atomics Aeronautical Systems, Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-717-4740 |
| Primary Part Number | UHK31448-1 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Atomics Aeronautical Systems, Inc. |
| Status | ACTIVE |
| Wire Hole Diameter | 0.112 INCHES NOMINAL IN |
| Internal Prebent Key Width | 0.236 INCHES NOMINAL IN |
| Material Thickness | 0.112 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 4340 OVERALL |
| 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 |
|---|---|
| UHK31448-1 PRIMARY | General Atomics Aeronautical Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| UHK31448 | D/9 Drawing number reference only General Atomics Aeronautical Systems, Inc. |
NSN 5310-01-717-4740 is a Washer,key, manufactured by General Atomics Aeronautical Systems, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-717-4740 has 1 manufacturer part number on file: UHK31448-1 (General Atomics Aeronautical Systems, Inc.).
Key specifications for UHK31448-1: Wire Hole Diameter: 0.112 INCHES NOMINAL IN; Internal Prebent Key Width: 0.236 INCHES NOMINAL IN; Material Thickness: 0.112 INCHES NOMINAL IN; Surface Treatment: CADMIUM OVERALL. 5 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.