The Washer,key, cataloged under National Stock Number 5310-00-407-6243, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corporation. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-407-6243 |
| Primary Part Number | UP38924 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corporation |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.484 INCHES NOMINAL IN |
| External Prebent Key Length | 0.187 INCHES NOMINAL IN |
| Style Designator | KEY |
| Outside Diameter | 0.688 INCHES NOMINAL IN |
| Material Thickness | 0.045 INCHES NOMINAL IN |
| External Prebent Key Width | 0.188 INCHES NOMINAL IN |
| Material | COPPER ALLOY 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 |
|---|---|
| UP38924 | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| Reference | Meaning |
|---|---|
| UP38924 | 3/9 Design control — primary reference Itt Industries Inc Itt Aerospace Communications Div East |
NSN 5310-00-407-6243 is a Washer,key, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-407-6243 has 1 manufacturer part number on file: UP38924 (L3harris Technologies, Inc. Dba Harris Corporation).
Key specifications for UP38924: Distance From Centerline to Inside of Prebent Key: 0.484 INCHES NOMINAL IN; External Prebent Key Length: 0.187 INCHES NOMINAL IN; Style Designator: KEY; Outside Diameter: 0.688 INCHES NOMINAL IN. 7 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.