The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-575-5628, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-575-5628 |
| Primary Part Number | 21FA-420 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Thread Class | 2B |
| Bearing Surface Type | CHAMFERED |
| Nominal Thread Size | 0.250 INCHES IN |
| Material | STEEL OVERALL |
| Nut Style | HEXAGON |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Lubrication | SOLUBLE LUBRICANT |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Quantity Per Inch | 20 |
| Thread Direction | RIGHT-HAND |
| Width Across Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Nut Height | 0.290 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Temp Rating | 800.0 FAHRENHEIT NOMINAL DEGF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21FA-420 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 21FA420 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 80007 | Federal Screw Products, Inc. (USA) |
| 80007ADX | Airdale Express Llc Div Airdale Express (USA) |
| 9130M63P05 | General Electric Company (USA) |
| 5310PL0725855 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
NSN 5310-00-575-5628 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 5310-00-575-5628 has 6 cross-referenced part numbers: 21FA-420 (Sps Technologies, Llc Dba PB Fasteners), 21FA420 (Zf Industrieantriebe Witten Gmbh), 80007 (Federal Screw Products, Inc.), 80007ADX (Airdale Express Llc Div Airdale Express), 9130M63P05 (General Electric Company) and 1 more.
There are 12 known substitutes for 5310-00-575-5628: 5325-00-133-2095, 5310-00-706-0785, 5935-00-755-3447 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21FA-420: Thread Class: 2B; Bearing Surface Type: CHAMFERED; Nominal Thread Size: 0.250 INCHES IN; Material: STEEL OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.