The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-421-1988, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Nobles Worldwide, Inc.. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-421-1988 |
| Primary Part Number | 2910A2393 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Nobles Worldwide, Inc. |
| Status | ACTIVE |
| Width Across Flats | 0.125 INCHES NOMINAL IN |
| Thread Series | UNF |
| Material Document and Classification | QQ-B-626,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.060 INCHES IN |
| Nut Height | 0.046 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 80 |
| Material | COPPER ALLOY 360 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 |
|---|---|
| 2910A2393 PRIMARY | Nobles Worldwide, Inc. (USA) |
NSN 5310-00-421-1988 is a Nut,plain,hexagon, manufactured by Nobles Worldwide, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-421-1988 has 1 manufacturer part number on file: 2910A2393 (Nobles Worldwide, Inc.).
Key specifications for 2910A2393: Width Across Flats: 0.125 INCHES NOMINAL IN; Thread Series: UNF; Material Document and Classification: QQ-B-626,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 11 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.