The Washer,key, cataloged under National Stock Number 5310-01-044-0773, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Amphenol Corp Div Amphenol Aerospace Operations. 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 | 5310-01-044-0773 |
| Primary Part Number | 10-499494-11 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Amphenol Corp Div Amphenol Aerospace Operations |
| Status | ACTIVE |
| Surface Treatment Document and Classification | 9-997,FSCM 77820 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| External Prebent Key Length | 0.110 INCHES NOMINAL IN |
| Overall Distance Including Keys | 1.173 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | 9-922,FSCM 77820 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.062 INCHES NOMINAL IN |
| Material Thickness | 0.063 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| External Prebent Key Width | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.884 INCHES MINIMUM AND 0.894 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 |
|---|---|
| 10-499494-11 PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
NSN 5310-01-044-0773 is a Washer,key, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-044-0773 has 1 manufacturer part number on file: 10-499494-11 (Amphenol Corp Div Amphenol Aerospace Operations).
Key specifications for 10-499494-11: Surface Treatment Document and Classification: 9-997,FSCM 77820 MFR REF SINGLE TREATMENT RESPONSE OVERALL; External Prebent Key Length: 0.110 INCHES NOMINAL IN; Overall Distance Including Keys: 1.173 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN; Style Designator: KEY. 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.