The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-442-6940, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-442-6940 |
| Primary Part Number | 123-5941946 PART 88 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 13 |
| Material | NICKEL ALLOY R-405 OVERALL |
| 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 |
|---|---|
| 123-5941946 PART 88 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 123-5941945 PART 88 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
NSN 5310-01-442-6940 is a Nut,plain,hexagon, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-442-6940 has 2 manufacturer part numbers on file: 123-5941946 PART 88 (Huntington Ingalls Inc Div Newport News Shipbuilding), 123-5941945 PART 88 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 123-5941946 PART 88: Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: QQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.500 INCHES IN. 8 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.