The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-00-840-8991, 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 15 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-840-8991 |
| Primary Part Number | 22FP6-632 |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Nut Style | CLINCH |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Class | 3B |
| Temp Rating | 500.0 FAHRENHEIT NOMINAL DEGF |
| Thread Quantity Per Inch | 32 |
| Nominal Thread Size | 0.138 INCHES IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Width Across Flats | 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Pilot Diameter | 0.220 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN |
| Pilot Length | 0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| Nut Height | 0.390 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-840-8991 is a Nut,self-Locking,clinch, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-840-8991 has 2 cross-referenced part numbers: 22FP6-632 (Sps Technologies, Llc Dba PB Fasteners), 81016 (Federal Screw Products, Inc.).
There are 11 known substitutes for 5310-00-840-8991: 3110-00-155-6403, 6930-00-373-9591, 4730-00-691-5445 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 22FP6-632: Thread Direction: RIGHT-HAND; Nut Style: CLINCH; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Class: 3B. 15 total characteristics are documented in the Federal Logistics Information System.