The Washer,key, cataloged under National Stock Number 5310-00-033-2338, 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9 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-033-2338 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.187 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.390 INCHES NOMINAL IN |
| Outside Diameter | 0.281 INCHES NOMINAL IN |
| Material Thickness | 0.024 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN |
| External Key Quantity | 2 |
| Internal Prebent Key Length | 0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN |
| External Prebent Key Width | 0.156 INCHES MAXIMUM IN |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.169 INCHES MINIMUM AND 0.175 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 |
|---|---|
| 10-25919 | 3/9 Design control — primary reference Continental Aerospace Technologies, Inc. |
| 10-25919 | 5/9 Secondary reference Unison Industries Llc |
| 10-25919 | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
| 10-25919 | 5/9 Secondary reference Bendix Corp the |
NSN 5310-00-033-2338 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-033-2338: Distance From Centerline to Inside of Prebent Key: 0.187 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN; Overall Distance Including Keys: 0.390 INCHES NOMINAL IN; Outside Diameter: 0.281 INCHES NOMINAL IN; Material Thickness: 0.024 INCHES MINIMUM AND 0.026 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.