The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-018-1698, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 13 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 | 5305-00-018-1698 |
| Primary Part Number | 1AX42 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Mack Trucks Inc Parts Opn |
| Status | ACTIVE |
| Thread Quantity Per Inch | 20 |
| Head Style | HEXAGON |
| Minimum Yield Strength | 85000 POUNDS PER SQUARE INCH LBS |
| Material | STEEL OVERALL |
| Hardness Rating | 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Class | 2A A |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Height | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN |
| Thread Length | 1.250 INCHES MAXIMUM IN |
| Thread Series Designator | UNF |
| Thread Direction | RIGHT-HAND |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Width Between Flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFS85TYPE2STYLE10P | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 181698 | General Motors Corp (USA) |
| BB16260 | Diamond Reo Truck Co (USA) |
| P1529 | Fmc Corp (USA) |
| 181698 | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| 1AX42 PRIMARY | Mack Trucks Inc Parts Opn (USA) |
| 181698 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| P1529 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| 25094997 | Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales (AUS) |
| 181698 | General Motors Llc Dba General Motors Llc (USA) |
| 1AX42 | Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales (AUS) |
| C1678 | American Standard Inc Westinghouse Air Brake Co Div (USA) |
| 302698 | Crofton Co (USA) |
| 181698 | Navistar International Corporation Dba Navistar (USA) |
NSN 5305-00-018-1698 is a Screw,cap,hexagon Head, manufactured by Mack Trucks Inc Parts Opn, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-018-1698 has 14 cross-referenced part numbers: FFS85TYPE2STYLE10P (Federal Specifications Promulgated by General Services Administration Washington DC), 181698 (General Motors Corp), BB16260 (Diamond Reo Truck Co), P1529 (Fmc Corp), 181698 (Chrysler Realty Company Llc Dba Daimler Chrysler) and 9 more.
There are 4 known substitutes for 5305-00-018-1698: 2940-00-432-1761, 5130-01-400-0090, 2940-01-562-7291 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1AX42: Thread Quantity Per Inch: 20; Head Style: HEXAGON; Minimum Yield Strength: 85000 POUNDS PER SQUARE INCH LBS; Material: STEEL OVERALL. 17 total characteristics are documented in the Federal Logistics Information System.