The Nut,self-Locking,assembled Washe, cataloged under National Stock Number 5310-01-075-8231, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-075-8231 |
| Primary Part Number | HW41-06 |
| Item Name | Nut,self-Locking,assembled Washe |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Washer Outside Diameter | 0.278 INCHES MAXIMUM IN |
| Width Across Flats | 0.156 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Precious Material | SILVER |
| Temp Rating | 900.0 FAHRENHEIT MAXIMUM DEGF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | PASSIVATE WASHER |
| Surface Treatment | SILVER NUT |
| Precious Material and Location | NUT SURFACES SILVER |
| Nut Style | FLAT WITH TURNED UP EDGE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 NUT |
| 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 |
|---|---|
| HW41-06 | Boeing Distribution Services SAS (FRA) |
| HW41-06 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| HW41-06 | 5/9 Secondary reference Tecnotec Sarl |
| HW41-06 | 5/9 Secondary reference Klx Aerospace Solutions II SAS |
| HW41-06 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Microdot Products |
NSN 5310-01-075-8231 is a Nut,self-Locking,assembled Washe, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-075-8231 has 2 manufacturer part numbers on file: HW41-06 (Boeing Distribution Services SAS), HW41-06 (Howmet Global Fastening Systems Inc).
Key specifications for HW41-06: Overall Height: 0.167 INCHES MAXIMUM IN; Washer Outside Diameter: 0.278 INCHES MAXIMUM IN; Width Across Flats: 0.156 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC). 15 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.