The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-018-9303, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-018-9303 |
| Primary Part Number | 189303 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Thread Quantity Per Inch | 16 |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| 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 |
| Minimum Yield Strength | 85000 POUNDS PER SQUARE INCH LBS |
| Material | STEEL OVERALL |
| Head Style | HEXAGON |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Head Height | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN |
| 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 Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Width Between Flats | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Length | 1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN |
| Fastener Length | 3.031 INCHES MINIMUM AND 3.125 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 189303 | General Motors Llc Dba General Motors Llc (USA) |
| FFS85TYPE2STYLE10PGRADE5 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 189303 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| 189303 | General Motors Corp (USA) |
| 3-8 16THDX3 1-8IN | Renk America Llc Div Renk America (USA) |
NSN 5305-00-018-9303 is a Screw,cap,hexagon Head, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-018-9303 has 5 cross-referenced part numbers: 189303 (General Motors Llc Dba General Motors Llc), FFS85TYPE2STYLE10PGRADE5 (Federal Specifications Promulgated by General Services Administration Washington DC), 189303 (Army Weapons Command Attn Amswe-Ree-S), 189303 (General Motors Corp), 3-8 16THDX3 1-8IN (Renk America Llc Div Renk America).
There are 2 known substitutes for 5305-00-018-9303: 5935-00-644-6733, 4730-01-594-8649. Verify interchangeability with system specifications before substitution.
Key specifications for 189303: Thread Quantity Per Inch: 16; Thread Direction: RIGHT-HAND; Thread Class: 2A A; Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL. 17 total characteristics are documented in the Federal Logistics Information System.