The Washer,key, cataloged under National Stock Number 5310-01-253-3010, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 11 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 | 5310-01-253-3010 |
| Primary Part Number | 68A450825-2003 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Wire Hole Diameter | 0.090 INCHES NOMINAL0.090 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | PS13202,TY 2,CL 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Key Center to Wire Hole Center | 0.220 INCHES NOMINAL0.220 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/5,O FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 4.760 INCHES NOMINAL4.760 INCHES NOMINAL IN |
| Material Thickness | 0.085 INCHES MINIMUM AND 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM0.095 INCHES MAXIMUM IN |
| Tapered Key Minor Width | 0.320 INCHES NOMINAL0.320 INCHES NOMINAL IN |
| Internal Prebent Key Length | 0.069 INCHES MINIMUM AND 0.069 INCHES MINIMUM AND 0.079 INCHES MAXIMUM0.079 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Hole Diameter | 4.272 INCHES NOMINAL4.272 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 |
|---|---|
| 68A450825-2003 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5310-01-253-3010 is a Washer,key, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-253-3010 has 1 manufacturer part number on file: 68A450825-2003 (The Boeing Company Div Defense).
Key specifications for 68A450825-2003: Wire Hole Diameter: 0.090 INCHES NOMINAL0.090 INCHES NOMINAL IN; Surface Treatment Document and Classification: PS13202,TY 2,CL 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Distance From Key Center to Wire Hole Center: 0.220 INCHES NOMINAL0.220 INCHES NOMINAL IN; Material Document and Classification: QQ-A-250/5,O FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 11 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.