The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-297-9031, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 16 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 | 5310-01-297-9031 |
| Primary Part Number | 6242924-08C |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 0.336 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-81751,TY1,CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | MIL-M-20693,COMP A,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING INSERT |
| Material Document and Classification | QQ-N-281,CL A FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-281,CL B FED SPEC 2ND MATERIAL RESPONSE NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Surface Treatment | CERAMIC OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 NUT |
| Material | PLASTIC POLYHEXAMETHYLENE AMIDE LOCKING INSERT |
| 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 |
|---|---|
| 6242924-08C PRIMARY | Naval Sea Systems Command (USA) |
NSN 5310-01-297-9031 is a Nut,self-Locking,hexagon, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-297-9031 has 1 manufacturer part number on file: 6242924-08C (Naval Sea Systems Command).
Key specifications for 6242924-08C: Width Across Flats: 0.336 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-81751,TY1,CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: MIL-M-20693,COMP A,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING INSERT. 16 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.