The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-256-0871, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dorman Products, Inc. Dba Dorman. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-01-256-0871 |
| Primary Part Number | 907-310 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Dorman Products, Inc. Dba Dorman |
| Status | CANCELLED |
| Thread Class | 2A A |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Surface Treatment | DICHROMATE ZINC OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Width Between Flats | 0.625 INCHES NOMINAL IN |
| Material Document and Classification | SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 1040 OVERALL |
| Head Style | HEXAGON |
| Hardness Rating | 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Thread Quantity Per Inch | 20 |
| Thread Direction | RIGHT-HAND |
| Thread Length | 0.900 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Head Height | 0.281 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5305-01-256-0871 is a Screw,cap,hexagon Head, manufactured by Dorman Products, Inc. Dba Dorman, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-01-256-0871 has 2 cross-referenced part numbers: 907-310 (Dorman Products, Inc. Dba Dorman), 807-310 (Dorman Products, Inc. Dba Dorman).
There are 2 known substitutes for 5305-01-256-0871: 3110-00-155-6722, 4610-01-308-0569. Verify interchangeability with system specifications before substitution.
Key specifications for 907-310: Thread Class: 2A A; Minimum Tensile Strength: 120000 POUNDS PER SQUARE INCH LBS; Special Features: BLUE COATED; Surface Treatment: DICHROMATE ZINC OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-01-256-0871 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.