The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-931-8546, 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 16 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 | 5310-00-931-8546 |
| Primary Part Number | H19942-6 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Thread Quantity Per Inch | 24 |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Material | STEEL COMP 4340 OVERALL |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| Nominal Thread Size | 0.375 INCHES IN |
| Surface Treatment | CADMIUM OVERALL |
| Material Document and Classification | AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment Document and Classification | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Washer Outside Diameter | 0.568 INCHES MINIMUM AND 0.598 INCHES MAXIMUM IN |
| Thread Class | 3B |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Width Across Flats | 0.424 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Nut Style | DOUBLE HEXAGON |
| Lubrication | DRY FILM LUBRICANT |
| Washer Thickness | 0.070 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-931-8546 is a Nut,self-Locking,extended Washer, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-931-8546 has 2 cross-referenced part numbers: 502093 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), H19942-6 (Howmet Global Fastening Systems Inc).
There are 3 known substitutes for 5310-00-931-8546: 3110-00-173-5074, 5310-00-945-0840, 6150-01-584-7478. Verify interchangeability with system specifications before substitution.
Key specifications for H19942-6: Thread Quantity Per Inch: 24; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Material: STEEL COMP 4340 OVERALL; Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM. 17 total characteristics are documented in the Federal Logistics Information System.