The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-208-2631, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Esna, Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-208-2631 |
| Primary Part Number | 52ZE074 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Esna, Llc |
| Status | CANCELLED |
| Nominal Thread Size | 0.438 INCHES IN |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Bearing Surface Finish | 125.0 MICROINCHES |
| Surface Treatment | CADMIUM OVERALL |
| Material Document and Classification | MIL-S-866 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Nut Height | 0.453 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 14 |
| Thread Direction | RIGHT-HAND |
| Nut Style | HEXAGON |
| Temp Rating | 550.0 FAHRENHEIT NOMINAL DEGF |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Material | STEEL COMP 1137 OVERALL |
| Width Across Flats | 0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| Thread Class | 3B |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1801-074 | Esna, Llc (USA) |
| 52ZE074 | Harvard Industries Inc (USA) |
| AN363-714 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| AN365-714 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| U535703 | Triumph Thermal Systems, Llc (USA) |
| 52ZE074 PRIMARY | Esna, Llc (USA) |
| N25027 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 1801-074 | Harvard Industries Inc (USA) |
NSN 5310-00-208-2631 is a Nut,self-Locking,hexagon, manufactured by Esna, Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-208-2631 has 8 cross-referenced part numbers: 1801-074 (Esna, Llc), 52ZE074 (Harvard Industries Inc), AN363-714 (Aeronautical Standards Group Dept of Navy and Air Force), AN365-714 (Aeronautical Standards Group Dept of Navy and Air Force), U535703 (Triumph Thermal Systems, Llc) and 3 more.
There are 10 known substitutes for 5310-00-208-2631: 5310-00-208-4875, 5310-00-208-4880, 5310-00-208-4924 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 52ZE074: Nominal Thread Size: 0.438 INCHES IN; Bearing Surface Type: CHAMFERED OR WASHER FACED; Bearing Surface Finish: 125.0 MICROINCHES; Surface Treatment: CADMIUM OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-208-2631 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.