The Washer,key, cataloged under National Stock Number 5310-01-045-2478, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-045-2478 |
| Primary Part Number | 68A692565-2003 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Treatment Document and Classification | PS13001,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | MIL-S-5059,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.106 INCHES MINIMUM AND 3.124 INCHES MAXIMUM IN |
| Material Thickness | 0.036 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 302 OVERALL |
| Hole Diameter | 2.750 INCHES MINIMUM AND 2.770 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 |
| Part Number | Manufacturer |
|---|---|
| 68A692565-2003 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 68A692565-2003 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 68A692565-2003 | 5/9 Secondary reference Woodward Hrt, Inc. Dba Woodward Hrt Inc |
NSN 5310-01-045-2478 is a Washer,key, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-045-2478 has 1 manufacturer part number on file: 68A692565-2003 (The Boeing Company Div Defense).
Key specifications for 68A692565-2003: Surface Treatment Document and Classification: PS13001,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: MIL-S-5059,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 3.106 INCHES MINIMUM AND 3.124 INCHES MAXIMUM IN; Material Thickness: 0.036 INCHES MINIMUM AND 0.044 INCHES MAXIMUM 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.