The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-958-5895, 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 13 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-958-5895 |
| Primary Part Number | HW14-3 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Washer Outside Diameter | 0.364 INCHES MAXIMUM IN |
| Width Across Flats | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Temp Rating | 500.0 FAHRENHEIT NOMINAL DEGF |
| Washer Thickness | 0.060 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 2110213 | Embraer Aviation International (FRA) |
| PE22005-3 | Embraer S.a. (BRA) |
| HW14-3 | Satair A/s (DNK) |
| CSP106 | Bae Systems (GBR) |
| HW14-3 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| B97993 | Mbda Uk Ltd (GBR) |
| 991-4-10732-005 | Eaton Limited (GBR) |
| 2110213 | Embraer S.a. (BRA) |
| Reference | Meaning |
|---|---|
| RM52LH4786-02 | 5/1 Secondary reference Amerace Ltd |
| FNW12-1032 | 5/1 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HW14-3 | 5/9 Secondary reference Klx Aerospace Solutions II SAS |
| N157187-5 | 5/9 Secondary reference Safran Electrical & Power Uk Limited |
| 2110213 | 5/9 Secondary reference Embraer Empresa Brasileira De Aeronautica Sa |
| PE22005-3 | 5/9 Secondary reference Embraer Empresa Brasileira De Aeronautica Sa |
| HW14-3 | 5/9 Secondary reference Tecnotec Sarl |
NSN 5310-00-958-5895 is a Nut,self-Locking,extended Washer, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-958-5895 has 8 manufacturer part numbers on file: 2110213 (Embraer Aviation International), PE22005-3 (Embraer S.a.), HW14-3 (Satair A/s), CSP106 (Bae Systems), HW14-3 (Howmet Global Fastening Systems Inc) and 3 more.
1 possible match (shared part number, not a government interchangeability claim): 5961-01-114-3542. Verify interchangeability with system specifications before substitution.
Key specifications for HW14-3: Overall Height: 0.214 INCHES MAXIMUM IN; Washer Outside Diameter: 0.364 INCHES MAXIMUM IN; Width Across Flats: 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Thread Series: UNF. 13 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.