The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-596-8007, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-596-8007 |
| Primary Part Number | 21FA540 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | CANCELLED |
| Thread Class | 2B |
| Bearing Surface Finish | 125.0 MICROINCHES |
| Nominal Thread Size | 0.125 INCHES IN |
| Bearing Surface Type | CHAMFERED |
| Nut Height | 0.141 INCHES NOMINAL IN |
| Material Document and Classification | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Material | STEEL COMP 1212 OR STEEL COMP 1117 OR STEEL COMP 1137 OVERALL |
| Temp Rating | 550.0 FAHRENHEIT NOMINAL DEGF |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment Document and Classification | FF-H-116,US2C FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OVERALL |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Quantity Per Inch | 40 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 90631A006 | Mcmaster-Carr Supply Co (USA) |
| 10289 | Unison Industries, Llc Dba Unison Industries Inc (USA) |
| 059632 | Big Joe Mfg Co (USA) |
| MILN25027 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 05030-0013 | New Haven Mfg Corp (USA) |
| 21FA540 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 10289 | Unison Industries Llc (USA) |
| 00658 | Tru-Hitch, Inc. (USA) |
NSN 5310-00-596-8007 is a Nut,self-Locking,hexagon, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-596-8007 has 8 cross-referenced part numbers: 90631A006 (Mcmaster-Carr Supply Co), 10289 (Unison Industries, Llc Dba Unison Industries Inc), 059632 (Big Joe Mfg Co), MILN25027 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 05030-0013 (New Haven Mfg Corp) and 3 more.
There are 12 known substitutes for 5310-00-596-8007: 5930-00-073-9963, 3110-00-100-0317, 5895-00-131-6720 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21FA540: Thread Class: 2B; Bearing Surface Finish: 125.0 MICROINCHES; Nominal Thread Size: 0.125 INCHES IN; Bearing Surface Type: CHAMFERED. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-596-8007 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.