The Nut,self-Locking,double Hexagon, cataloged under National Stock Number 5310-00-818-9542, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-818-9542 |
| Primary Part Number | H22-4 |
| Item Name | Nut,self-Locking,double Hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | DOUBLE HEXAGON |
| Temp Rating | 550.0 FAHRENHEIT NOMINAL DEGF |
| Thread Quantity Per Inch | 28 |
| Thread Series | UNF |
| Nut Height | 0.328 INCHES NOMINAL IN |
| Thread Class | 3B |
| Nominal Thread Size | 0.250 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Width Across Flats | 0.306 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-818-9542 is a Nut,self-Locking,double Hexagon, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-818-9542 has 2 cross-referenced part numbers: H22-4 (Howmet Global Fastening Systems Inc), 876912-00 (Defense Reduction Agency).
There are 3 known substitutes for 5310-00-818-9542: 4920-00-176-8340, 2815-00-365-2275, 5999-00-383-2299. Verify interchangeability with system specifications before substitution.
Key specifications for H22-4: Material: STEEL OVERALL; Surface Treatment: CADMIUM OVERALL; Nut Style: DOUBLE HEXAGON; Temp Rating: 550.0 FAHRENHEIT NOMINAL DEGF. 12 total characteristics are documented in the Federal Logistics Information System.