The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-619-8323, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Amz Alabama 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-619-8323 |
| Primary Part Number | 3000102-031 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Amz Alabama Inc. |
| Status | ACTIVE |
| Width Across Flats | 0.495 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Hardness Rating | 55.0 ROCKWELL C NOMINAL |
| Thread Pitch Diameters | +0.3125 TO 0.3130 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Nut Height | 0.188 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Quantity Per Inch | 18 |
| Material | STEEL 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 |
|---|---|
| 3000102-031 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3000102-031 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-619-8323 is a Nut,plain,hexagon, manufactured by Amz Alabama Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-619-8323 has 1 manufacturer part number on file: 3000102-031 (Amz Alabama Inc.).
Key specifications for 3000102-031: Width Across Flats: 0.495 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF; Hardness Rating: 55.0 ROCKWELL C NOMINAL. 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.