The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-301-5931, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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 | 5305-00-301-5931 |
| Primary Part Number | S157 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Thread Quantity Per Inch | 11 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Width Between Flats | 0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Thread Length | 1.500 INCHES MINIMUM IN |
| Head Height | 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Fastener Length | 3.500 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Head Style | HEXAGON |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S157 PRIMARY | Cummins Inc. (USA) |
NSN 5305-00-301-5931 is a Screw,cap,hexagon Head, manufactured by Cummins Inc., classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-301-5931 has 1 cross-referenced part number: S157 (Cummins Inc.).
There are 3 known substitutes for 5305-00-301-5931: 5962-00-256-2041, 6685-00-791-2775, 6240-00-975-0865. Verify interchangeability with system specifications before substitution.
Key specifications for S157: Thread Quantity Per Inch: 11; Material: STEEL OVERALL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.