The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-296-0633, 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 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-01-296-0633 |
| Primary Part Number | H49403-3 |
| Item Name | Nut,plain,extended Washer,hexago |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | CANCELLED |
| Width Across Flats | 0.243 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Washer Thickness | 0.020 INCHES NOMINAL IN |
| Nut Style | CASTELLATED HEXAGON |
| Thread Class | 3B |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Thread Direction | RIGHT-HAND |
| Washer Outside Diameter | 0.325 INCHES MAXIMUM IN |
| Hardness Rating | 29.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM |
| Nominal Thread Size | 0.190 INCHES IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 9131M74P31 | General Electric Company (USA) |
| H49403-3 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 73783CM1032 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 9131M74P21 | General Electric Company (USA) |
| 9131M74P21 | Howmet Fixations Simmonds SAS (FRA) |
| 5768 | Howmet Fixations Simmonds SAS (FRA) |
NSN 5310-01-296-0633 is a Nut,plain,extended Washer,hexago, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-01-296-0633 has 6 cross-referenced part numbers: 9131M74P31 (General Electric Company), H49403-3 (Howmet Global Fastening Systems Inc), 73783CM1032 (Sps Technologies, Llc Dba PB Fasteners), 9131M74P21 (General Electric Company), 9131M74P21 (Howmet Fixations Simmonds SAS) and 1 more.
There are 5 known substitutes for 5310-01-296-0633: 5950-00-152-7941, 5960-00-577-3054, 5950-00-645-1160 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for H49403-3: Width Across Flats: 0.243 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN; Overall Height: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN; Thread Quantity Per Inch: 32; Material: IRON ALLOY 660 OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-01-296-0633 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.