The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-505-0239, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 17 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-505-0239 |
| Primary Part Number | M45913/3-4CG5Z |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Thread Class | 3B |
| Nut Style | HEXAGON |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Nominal Thread Size | 0.250 INCHES IN |
| Bearing Surface Finish | 125.0 MICROINCHES |
| Material Document and Classification | SAE-J995, GRADE 5 OR 8 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Surface Treatment | CADMIUM AND ZINC OVERALL |
| Material | STEEL NUT |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Surface Treatment Document and Classification | ASTM-B633, TYPE II ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Width Across Flats | 0.428 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 20 |
| Thread Direction | RIGHT-HAND |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Nut Height | 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M45913/3-4CG5Z | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-DTL-45913/3 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5310-01-505-0239 is a Nut,self-Locking,hexagon, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-505-0239 has 2 cross-referenced part numbers: M45913/3-4CG5Z (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-45913/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 9 known substitutes for 5310-01-505-0239: 5310-00-340-4953, 5310-00-814-0672, 5310-01-137-7062 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for M45913/3-4CG5Z: Thread Class: 3B; Nut Style: HEXAGON; Bearing Surface Type: CHAMFERED OR WASHER FACED; Nominal Thread Size: 0.250 INCHES IN. 18 total characteristics are documented in the Federal Logistics Information System.