The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-295-3042, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Nylok Llc. 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 | 5310-01-295-3042 |
| Primary Part Number | NK924-20W |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Nylok Llc |
| Status | ACTIVE |
| Width Across Flats | 1.922 INCHES MINIMUM AND 1.954 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| Thread Series | UN |
| Material Document and Classification | QQ-A-225/4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC 2ND MATERIAL RESPONSE OVERALL EXCEPT INSERT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.625 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.391 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL EXCEPT INSERT |
| Countersink Angle | 89.5 DEGREES MINIMUM AND 90.5 DEGREES MAXIMUM NUT |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 12 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Material | ALUMINUM ALLOY 7075 OR ALUMINUM ALLOY 2024 OVERALL EXCEPT 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 |
|---|---|
| NK924-20W PRIMARY | Nylok Llc (USA) |
NSN 5310-01-295-3042 is a Nut,self-Locking,hexagon, manufactured by Nylok Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-295-3042 has 1 manufacturer part number on file: NK924-20W (Nylok Llc).
Key specifications for NK924-20W: Width Across Flats: 1.922 INCHES MINIMUM AND 1.954 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-A-8625,TYPE2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT; Thread Series: UN; Material Document and Classification: QQ-A-225/4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC 2ND MATERIAL RESPONSE OVERALL EXCEPT 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.