The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-917-1989, 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 15 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-917-1989 |
| Primary Part Number | H16-4 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Temp Rating | 550.0 FAHRENHEIT NOMINAL DEGF |
| Nut Style | HEXAGON |
| Lubrication | DRY FILM LUBRICANT |
| Surface Treatment | CADMIUM OVERALL |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Thread Series | UNF |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Washer Outside Diameter | 0.440 INCHES MAXIMUM IN |
| Washer Thickness | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Width Across Flats | 0.306 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| H16-4 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| H16-4 | Boeing Distribution Services SAS (FRA) |
| Z00.N5415513305 | Daher Aerospace - Ex Socata (FRA) |
| H16-4 | Klx Aerospace Solutions II SAS (FRA) |
NSN 5310-00-917-1989 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 5310-00-917-1989 has 4 cross-referenced part numbers: H16-4 (Howmet Global Fastening Systems Inc), H16-4 (Boeing Distribution Services SAS), Z00.N5415513305 (Daher Aerospace - Ex Socata), H16-4 (Klx Aerospace Solutions II SAS).
There are 8 known substitutes for 5310-00-917-1989: 3455-00-222-4140, 5950-00-421-9861, 4130-00-574-1916 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for H16-4: Locking Feature: PREVAILING TORQUE ALL METAL DESIGN; Temp Rating: 550.0 FAHRENHEIT NOMINAL DEGF; Nut Style: HEXAGON; Lubrication: DRY FILM LUBRICANT. 16 total characteristics are documented in the Federal Logistics Information System.