The Nut,self-Locking,round, cataloged under National Stock Number 5310-01-281-7012, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Whittet-Higgins Company. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-281-7012 |
| Primary Part Number | BHS-06 |
| Item Name | Nut,self-Locking,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Whittet-Higgins Company |
| Status | ACTIVE |
| Thread Series | UNS |
| Temp Rating | 350.0 FAHRENHEIT MAXIMUM DEGF |
| Thread Pitch Diameters | +1.1369 TO 1.1409 INCHES IN |
| Drive Point Width | 0.168 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.173 INCHES IN |
| Nut Diameter | 1.735 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Drive Point Depth | 0.088 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Undercut Thickness | 0.141 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Thickness | 0.437 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN |
| Small End Diameter | 1.500 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL EXCEPT INSERT |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 303 NUT |
| Material | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE LOCKING INSERT |
| 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 |
|---|---|
| BHS-06 PRIMARY | Whittet-Higgins Company (USA) |
| Reference | Meaning |
|---|---|
| BHSS-06 | 5/9 Secondary reference Whittet-Higgins Company |
NSN 5310-01-281-7012 is a Nut,self-Locking,round, manufactured by Whittet-Higgins Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-281-7012 has 1 manufacturer part number on file: BHS-06 (Whittet-Higgins Company).
Key specifications for BHS-06: Thread Series: UNS; Temp Rating: 350.0 FAHRENHEIT MAXIMUM DEGF; Thread Pitch Diameters: +1.1369 TO 1.1409 INCHES IN; Drive Point Width: 0.168 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN. 18 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.