The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-425-7171, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Carver Pump Company. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-425-7171 |
| Primary Part Number | 04N-99-008 PIECE 23 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Carver Pump Company |
| 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 |
| Thread Class | 2B |
| Thread Quantity Per Inch | 13 |
| Material | NICKEL ALLOY R-405 OVERALL |
| Bearing Surface Type | CHAMFERED OR 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 |
| Part Number | Manufacturer |
|---|---|
| 04N-99-008 PIECE 23 PRIMARY | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| D-04N-99-008 PIECE 23 | 3/9 Design control — primary reference Carver Pump Company |
| D-04N-99-008 PC | C/1 Advisory reference — outside the item-of-supply concept Carver Pump Company |
NSN 5310-01-425-7171 is a Nut,plain,hexagon, manufactured by Carver Pump Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-425-7171 has 1 manufacturer part number on file: 04N-99-008 PIECE 23 (Carver Pump Company).
Key specifications for 04N-99-008 PIECE 23: 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.