The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-477-0529, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Metadure Parts & Sales, Inc.. Government technical data includes 12 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-477-0529 |
| Primary Part Number | 301665-1 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Metadure Parts & Sales, Inc. |
| Status | ACTIVE |
| Width Across Flats | 4.000 INCHES NOMINAL IN |
| Bearing Surface Finish | 63.0 MICROINCHES |
| Thread Series | UN |
| Material Document and Classification | AMS A108 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 3.000 INCHES IN |
| Nut Height | 0.375 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| 301665-1 PRIMARY | Metadure Parts & Sales, Inc. (USA) |
NSN 5310-00-477-0529 is a Nut,plain,hexagon, manufactured by Metadure Parts & Sales, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-477-0529 has 1 manufacturer part number on file: 301665-1 (Metadure Parts & Sales, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 8140-01-096-1003. Verify interchangeability with system specifications before substitution.
Key specifications for 301665-1: Width Across Flats: 4.000 INCHES NOMINAL IN; Bearing Surface Finish: 63.0 MICROINCHES; Thread Series: UN; Material Document and Classification: AMS A108 ASSN STD ALL MATERIAL RESPONSES OVERALL. 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.