The Nut,plain,cap, cataloged under National Stock Number 5310-01-414-6476, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hayes Axle Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-414-6476 |
| Primary Part Number | 90640 |
| Item Name | Nut,plain,cap |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hayes Axle Inc |
| Status | ACTIVE |
| Width Across Flats | 0.770 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-F-14072G MIL SPEC SINGLE TREATMENT RESPONSE OVERALL G |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.563 INCHES IN |
| Nut Height | 0.861 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OR CADMIUM OVERALL |
| Nut Style | CAP |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Bearing Surface Type | WASHER FACED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-414-6476 is a Nut,plain,cap, manufactured by Hayes Axle Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-414-6476 has 2 manufacturer part numbers on file: 90640 (Hayes Axle Inc), 12449385 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 90640: Width Across Flats: 0.770 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-F-14072G MIL SPEC SINGLE TREATMENT RESPONSE OVERALL G; Thread Series: UNF; Thread Direction: RIGHT-HAND. 12 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.