The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-297-0768, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-297-0768 |
| Primary Part Number | 271774 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Thread Quantity Per Inch | 10 |
| Thread Length | 1.750 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Minimum Yield Strength | 85000 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Hardness Rating | 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | HEXAGON |
| Fastener Length | 2.750 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Head Height | 0.455 INCHES MINIMUM AND 0.483 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 |
| Width Between Flats | 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-00-297-0768 is a Screw,cap,hexagon Head, manufactured by General Motors Corp, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-297-0768 has 2 cross-referenced part numbers: 271774 (General Motors Corp), 271774 (General Motors Llc Dba General Motors Llc).
There are 3 known substitutes for 5305-00-297-0768: 6645-00-255-1369, 5977-00-387-0853, 5325-00-685-5912. Verify interchangeability with system specifications before substitution.
Key specifications for 271774: Thread Quantity Per Inch: 10; Thread Length: 1.750 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN; Material: STEEL OVERALL; Minimum Yield Strength: 85000 POUNDS PER SQUARE INCH LBS. 17 total characteristics are documented in the Federal Logistics Information System.