The Nut,plain,extended Washer,double, cataloged under National Stock Number 5310-00-922-9014, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-922-9014 |
| Primary Part Number | 499682 |
| Item Name | Nut,plain,extended Washer,double |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Width Across Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNF |
| Precious Material | SILVER |
| Thread Pitch Diameters | +0.3509 TO 0.3546 INCHES IN |
| Washer Thickness | 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Surface Treatment | SILVER OVERALL |
| Countersink Angle | 90.0 DEGREES NOMINAL NUT |
| Nut Style | DOUBLE HEXAGON |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 OVERALL |
| 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 |
|---|---|
| 499682 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 499682 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 499682 | 5/9 Secondary reference Harvard Industries Inc |
| 499682 | 5/9 Secondary reference Kwik File Storage Systems Llc |
| 499682 | 5/9 Secondary reference Ssanford Tool & Design Inc |
NSN 5310-00-922-9014 is a Nut,plain,extended Washer,double, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-922-9014 has 2 manufacturer part numbers on file: 499682 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 499682 (Howmet Global Fastening Systems Inc).
Key specifications for 499682: Overall Height: 0.668 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN; Width Across Flats: 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNF. 14 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.