The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-01-298-7768, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Penn Engineering & Manufacturing Corp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-298-7768 |
| Primary Part Number | FE-440-EF |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Nut Diameter | 0.188 INCHES NOMINAL IN |
| Nominal Thread Size | 0.112 INCHES IN |
| Thread Quantity Per Inch | 40 |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.125 INCHES NOMINAL IN |
| Lubrication | DRY FILM LUBRICANT |
| Thread Direction | RIGHT-HAND |
| Pilot Diameter | 0.166 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| Nut Style | CLINCH |
| Material | STEEL COMP 303 OVERALL |
| Pilot Length | 0.060 INCHES NOMINAL IN |
| Thread Class | 3B |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FE-440 | Penn Engineering & Manufacturing Corp (USA) |
| FE-440-EF PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
| 182-00001-01 | Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA) |
| 864138-2 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 5310-01-298-7768 is a Nut,self-Locking,clinch, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-298-7768 has 4 cross-referenced part numbers: FE-440 (Penn Engineering & Manufacturing Corp), FE-440-EF (Penn Engineering & Manufacturing Corp), 182-00001-01 (Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems), 864138-2 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
There are 4 known substitutes for 5310-01-298-7768: 5310-00-425-0402, 5310-01-010-6538, 5305-01-331-4235 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for FE-440-EF: Nut Diameter: 0.188 INCHES NOMINAL IN; Nominal Thread Size: 0.112 INCHES IN; Thread Quantity Per Inch: 40; Thread Series: UNIFIED NATIONAL COARSE (UNC). 15 total characteristics are documented in the Federal Logistics Information System.