The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-283-3603, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-283-3603 |
| Primary Part Number | 803-510 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Dorman Products, Inc. Dba Dorman |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.812 INCHES NOMINAL IN |
| Material | STEEL COMP 1040 OVERALL |
| Material Document and Classification | SAE GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment | ZINC AND DICHROMATE OVERALL |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 12 |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Head Height | 0.359 INCHES NOMINAL IN |
| Hardness Rating | 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Head Style | HEXAGON |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-01-283-3603 is a Screw,cap,hexagon Head, manufactured by Dorman Products, Inc. Dba Dorman, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-283-3603 has 3 cross-referenced part numbers: 803-510 (Dorman Products, Inc. Dba Dorman), 903-510 (Dorman Products, Inc. Dba Dorman), 170-510 (Dorman Products, Inc. Dba Dorman).
There are 7 known substitutes for 5305-01-283-3603: 4930-00-020-4677, 3020-00-563-5811, 5330-00-632-6182 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 803-510: Thread Direction: RIGHT-HAND; Width Between Flats: 0.812 INCHES NOMINAL IN; Material: STEEL COMP 1040 OVERALL; Material Document and Classification: SAE GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.