The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-231-4470, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Peerless Nuclear Corp. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-231-4470 |
| Primary Part Number | 22220 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Peerless Nuclear Corp |
| Status | ACTIVE |
| Hole Type | DRILLED |
| Head Style | HEXAGON EXTENDED WASHER |
| Material | STEEL COMP 4340 OVERALL |
| Hole Configuration Style | HEXAGON FLATS |
| Surface Treatment Document and Classification | QQ-P-416,TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AISI 4340 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Extended Washer Diameter | 0.562 INCHES NOMINAL IN |
| Hole Diameter | 0.0595 INCHES NOMINAL IN |
| Extended Washer Thickness | 0.188 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Width Between Flats | 0.438 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Length | 1.500 INCHES NOMINAL IN |
| Fastener Length | 5.938 INCHES MINIMUM AND 6.000 INCHES MAXIMUM IN |
| Hole Quantity | 2 |
| Thread Quantity Per Inch | 16 |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Head Height | 0.562 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 22220 | Peerless Nuclear Corp (USA) |
NSN 5305-01-231-4470 is a Screw,cap,hexagon Head, manufactured by Peerless Nuclear Corp, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-231-4470 has 1 cross-referenced part number: 22220 (Peerless Nuclear Corp).
There are 8 known substitutes for 5305-01-231-4470: 3110-00-156-1446, 3110-00-293-8476, 5306-00-639-8340 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 22220: Hole Type: DRILLED; Head Style: HEXAGON EXTENDED WASHER; Material: STEEL COMP 4340 OVERALL; Hole Configuration Style: HEXAGON FLATS. 22 total characteristics are documented in the Federal Logistics Information System.