The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-391-8752, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-391-8752 |
| Primary Part Number | H93-5 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Material | STEEL COMP H11 OVERALL |
| Thread Quantity Per Inch | 24 |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| Width Across Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Thread Class | 3B |
| Washer Thickness | 0.035 INCHES NOMINAL IN |
| Nut Style | DOUBLE HEXAGON |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Washer Outside Diameter | 0.532 INCHES MINIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| H93-5 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| H93-5 | Boeing Distribution Services SAS (FRA) |
| Z00.N5412522160 | Daher Aerospace - Ex Socata (FRA) |
| H93-5 | Klx Aerospace Solutions II SAS (FRA) |
NSN 5310-01-391-8752 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 5310-01-391-8752 has 4 cross-referenced part numbers: H93-5 (Howmet Global Fastening Systems Inc), H93-5 (Boeing Distribution Services SAS), Z00.N5412522160 (Daher Aerospace - Ex Socata), H93-5 (Klx Aerospace Solutions II SAS).
There are 6 known substitutes for 5310-01-391-8752: 5950-00-078-7422, 5340-00-238-3206, 5950-00-417-3486 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for H93-5: Material: STEEL COMP H11 OVERALL; Thread Quantity Per Inch: 24; Temp Rating: 450.0 FAHRENHEIT NOMINAL DEGF; Thread Direction: RIGHT-HAND. 14 total characteristics are documented in the Federal Logistics Information System.