The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-285-9304, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Jet Aviation Australia Pty Ltd. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-285-9304 |
| Primary Part Number | 652421 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Jet Aviation Australia Pty Ltd |
| Status | ACTIVE |
| Width Across Flats | 0.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS 2400-1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNF |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Height | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 8740 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 5310-00-285-9304 is a Nut,plain,hexagon, manufactured by Jet Aviation Australia Pty Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-285-9304 has 2 manufacturer part numbers on file: 652421 (Jet Aviation Australia Pty Ltd), 652421 (Dept of Defence (air Force)raaf Stt Alms).
3 possible matches (shared part number, not a government interchangeability claim): 5310-01-407-4029, 5130-01-577-1929, 5310-01-647-8567. Verify interchangeability with system specifications before substitution.
Key specifications for 652421: Width Across Flats: 0.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS 2400-1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNF; Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM. 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.