The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-012-2181, 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 Corp. Government technical data includes 17 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-012-2181 |
| Primary Part Number | 122181 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | General Motors Corp |
| Status | CANCELLED |
| Thread Quantity Per Inch | 16 |
| Material Document and Classification | SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Hardness Rating | 23.0 ROCKWELL C NOMINAL OVERALL |
| Fastener Length | 2.000 INCHES NOMINAL IN |
| Thread Length | 1.000 INCHES MINIMUM IN |
| Nondefinitive Spec/std Data | 2 TYPE AND 1 STYLE AND 2 GRADE |
| Head Style | HEXAGON |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Class | 2A A |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Minimum Tensile Strength | 74000 POUNDS PER SQUARE INCH LBS |
| Head Height | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN |
| Width Between Flats | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 122181 | General Motors Corp (USA) |
| 122181 | General Motors Llc Dba General Motors Llc (USA) |
| 122181 | Rolls-Royce Solutions America Inc (USA) |
| FFS85 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 900037-53 | Joy Mfg Co Air Power Group Michigan City Plant (USA) |
| 900037-53 | Joy Global Underground Mining Llc (USA) |
NSN 5305-00-012-2181 is a Screw,cap,hexagon Head, manufactured by General Motors Corp, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-012-2181 has 6 cross-referenced part numbers: 122181 (General Motors Corp), 122181 (General Motors Llc Dba General Motors Llc), 122181 (Rolls-Royce Solutions America Inc), FFS85 (Federal Specifications Promulgated by General Services Administration Washington DC), 900037-53 (Joy Mfg Co Air Power Group Michigan City Plant) and 1 more.
There are 5 known substitutes for 5305-00-012-2181: 5998-00-146-7860, 3110-00-227-3244, 5305-00-782-9489 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 122181: Thread Quantity Per Inch: 16; Material Document and Classification: SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL OVERALL; Hardness Rating: 23.0 ROCKWELL C NOMINAL OVERALL. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-012-2181 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.