The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-450-5591, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-450-5591 |
| Primary Part Number | M32258-UCA18 |
| 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 |
| Nominal Thread Size | 1.125 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Hardness Rating | 80.0 ROCKWELL C MINIMUM |
| Thread Quantity Per Inch | 7 |
| Thread Class | 3B |
| Nut Style | HEXAGON |
| Nut Height | 1.407 INCHES MINIMUM AND 1.469 INCHES MAXIMUM IN |
| Width Across Flats | 1.801 INCHES MINIMUM AND 1.822 INCHES MAXIMUM IN |
| Thread Series | UNJC |
| Material Document and Classification | QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Material | NICKEL ALLOY R-405 OR NICKEL ALLOY 400 OVERALL |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M32258-UCA18 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 751-6405228 FIND 55 | Naval Sea Systems Command (USA) |
| M25027/1-18C | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M32258-UAC18 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-N-25027/1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5310-01-450-5591 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 5310-01-450-5591 has 5 cross-referenced part numbers: M32258-UCA18 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 751-6405228 FIND 55 (Naval Sea Systems Command), M25027/1-18C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M32258-UAC18 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-N-25027/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 6 known substitutes for 5310-01-450-5591: 5310-01-241-1916, 5310-01-385-5986, 5310-01-436-4983 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for M32258-UCA18: Nominal Thread Size: 1.125 INCHES IN; Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT; Hardness Rating: 80.0 ROCKWELL C MINIMUM; Thread Quantity Per Inch: 7. 13 total characteristics are documented in the Federal Logistics Information System.