The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-142-3641, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-142-3641 |
| Primary Part Number | 50FK-420 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Nut Style | HEXAGON |
| Locking Feature | FREE-RUNNING ALL METAL DESIGN |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Quantity Per Inch | 20 |
| Nominal Thread Size | 0.250 INCHES IN |
| Bearing Surface Type | FLAT |
| Thread Direction | RIGHT-HAND |
| Nut Height | 0.199 INCHES NOMINAL IN |
| Width Across Flats | 0.4345 INCHES NOMINAL IN |
| Material | STEEL COMP 302 OR STEEL COMP 303 OVERALL |
| Thread Class | 2B |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12266953-2 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 50FK-420 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
NSN 5310-01-142-3641 is a Nut,self-Locking,hexagon, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-142-3641 has 2 cross-referenced part numbers: 12266953-2 (U S Army Tank Automotive Command Amsta-Im-Mm), 50FK-420 (Sps Technologies, Llc Dba PB Fasteners).
There are 2 known substitutes for 5310-01-142-3641: 5310-00-004-1490, 5310-00-550-9449. Verify interchangeability with system specifications before substitution.
Key specifications for 50FK-420: Nut Style: HEXAGON; Locking Feature: FREE-RUNNING ALL METAL DESIGN; Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC). 12 total characteristics are documented in the Federal Logistics Information System.