The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-340-1164, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Atec Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-340-1164 |
| Primary Part Number | 164-1053-1-10 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Atec Inc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Width Across Flats | 1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | AMS 5640 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A493 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A453 ASSN STD 3RD MATERIAL RESPONSE OR AMS 5686 ASSN STD 4TH MATERIAL RESPONSE NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.000 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 1.010 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE NUT |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 303 OR STEEL COMP XM-7 OR IRON ALLOY 660 OR STEEL COMP 305 NUT |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 164-1053-1-10 | Atec Inc (USA) |
| Reference | Meaning |
|---|---|
| MS21045C16S | 5/9 Secondary reference U.S. Government activity |
| MS21045C16S | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-340-1164 is a Nut,self-Locking,hexagon, manufactured by Atec Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-340-1164 has 1 manufacturer part number on file: 164-1053-1-10 (Atec Inc).
Key specifications for 164-1053-1-10: Lubrication: DRY FILM LUBRICANT; Width Across Flats: 1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 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.