The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-556-3021, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-01-556-3021 |
| Primary Part Number | 37018 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Fastenal Company Dba Fastenal Co |
| Status | CANCELLED |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Bearing Surface Type | CHAMFERED |
| Thread Direction | RIGHT-HAND |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.328 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12759-00463 | Fastenal Company Dba Fastenal Co (USA) |
| 1001882 | General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA) |
| 37018 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
NSN 5310-01-556-3021 is a Nut,self-Locking,hexagon, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-01-556-3021 has 3 cross-referenced part numbers: 12759-00463 (Fastenal Company Dba Fastenal Co), 1001882 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), 37018 (Fastenal Company Dba Fastenal Co).
There are 6 known substitutes for 5310-01-556-3021: 4820-00-035-9370, 6640-00-264-5008, 5998-00-448-4917 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 37018: Nominal Thread Size: 0.250 INCHES IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Bearing Surface Type: CHAMFERED; Thread Direction: RIGHT-HAND. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-01-556-3021 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.