The Washer,key, cataloged under National Stock Number 5310-00-065-4883, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cosmodyne, Llc Dba Cosmodyne Llc. 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-065-4883 |
| Primary Part Number | 24375 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Cosmodyne, Llc Dba Cosmodyne Llc |
| Status | ACTIVE |
| Overall Distance Including Keys | 0.285 INCHES NOMINAL IN |
| Style Designator | KEY |
| Outside Diameter | 0.281 INCHES NOMINAL IN |
| Material Thickness | 0.020 INCHES NOMINAL IN |
| External Key Quantity | 6 |
| External Prebent Key Width | 0.093 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.156 INCHES NOMINAL 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 |
|---|---|
| 24375 PRIMARY | Cosmodyne, Llc Dba Cosmodyne Llc (USA) |
NSN 5310-00-065-4883 is a Washer,key, manufactured by Cosmodyne, Llc Dba Cosmodyne Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-065-4883 has 1 manufacturer part number on file: 24375 (Cosmodyne, Llc Dba Cosmodyne Llc).
3 possible matches (shared part number, not a government interchangeability claim): 5310-00-209-4120, 5360-01-171-1046, 5310-01-630-6239. Verify interchangeability with system specifications before substitution.
Key specifications for 24375: Overall Distance Including Keys: 0.285 INCHES NOMINAL IN; Style Designator: KEY; Outside Diameter: 0.281 INCHES NOMINAL IN; Material Thickness: 0.020 INCHES NOMINAL 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.