The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-018-0022, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mack Trucks Inc Parts Opn. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-018-0022 |
| Primary Part Number | 4AX22 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Mack Trucks Inc Parts Opn |
| Status | CANCELLED |
| Width Between Flats | 0.438 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Direction | RIGHT-HAND |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Hardness Rating | 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| Material | STEEL OVERALL |
| Head Height | 0.156 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Head Style | HEXAGON |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nondefinitive Spec/std Data | 2 TYPE AND 10P STYLE AND 5 GRADE |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Length | 0.750 INCHES MINIMUM IN |
| Thread Quantity Per Inch | 20 |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4AX22 PRIMARY | Mack Trucks Inc Parts Opn (USA) |
| 4AX22Z PRIMARY | Mack Trucks Inc Parts Opn (USA) |
| 6772420 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| 180044 | Navistar International Corporation Dba Navistar (USA) |
| 60X3131 PRIMARY | Napco International Llc Dba Napco International Inc (USA) |
| 6772420 | The W.w. Williams Company, Llc (USA) |
| 180044H1 | Komatsu American Intl Co (USA) |
| 4AX22 | Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales (AUS) |
| FFS85TYPE2STYLE10PGRADE5 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5305-00-018-0022 is a Screw,cap,hexagon Head, manufactured by Mack Trucks Inc Parts Opn, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-018-0022 has 9 cross-referenced part numbers: 4AX22 (Mack Trucks Inc Parts Opn), 4AX22Z (Mack Trucks Inc Parts Opn), 6772420 (Allison Transmission Inc Dba Allison Transmission, Inc), 180044 (Navistar International Corporation Dba Navistar), 60X3131 (Napco International Llc Dba Napco International Inc) and 4 more.
There are 4 known substitutes for 5305-00-018-0022: 5940-00-910-7390, 3950-01-330-8858, 5306-01-556-4636 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4AX22: Width Between Flats: 0.438 INCHES NOMINAL IN; Thread Class: 2A A; Thread Direction: RIGHT-HAND; Fastener Length: 1.000 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-018-0022 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.