The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-050-3301, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Equipment Co. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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 | 5310-00-050-3301 |
| Primary Part Number | 28-21816 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | General Equipment Co |
| Status | ACTIVE |
| Width Across Flats | 1.625 INCHES NOMINAL IN |
| Thread Class | 3B |
| Nominal Thread Size | 1.000 INCHES IN |
| Thread Quantity Per Inch | 8 |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material | FIBER LOCKING INSERT |
| Thread Direction | RIGHT-HAND |
| Material Document and Classification | QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE NUT |
| Surface Treatment | CADMIUM OR ZINC NUT |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 1.281 INCHES NOMINAL IN |
| Material | STEEL NUT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-050-3301 is a Nut,self-Locking,hexagon, manufactured by General Equipment Co, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-050-3301 has 2 cross-referenced part numbers: 28-21816 (General Equipment Co), 503301.
There are 3 known substitutes for 5310-00-050-3301: 5950-00-857-3252, 5962-01-269-1174, 5935-01-359-5699. Verify interchangeability with system specifications before substitution.
Key specifications for 28-21816: Width Across Flats: 1.625 INCHES NOMINAL IN; Thread Class: 3B; Nominal Thread Size: 1.000 INCHES IN; Thread Quantity Per Inch: 8. 12 total characteristics are documented in the Federal Logistics Information System.