The Bolt,machine, cataloged under National Stock Number 5306-01-211-0370, is classified within Federal Supply Class 5306 (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 16 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-211-0370 |
| Primary Part Number | 903-025 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Dorman Products, Inc. Dba Dorman |
| Status | ACTIVE |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Fastener Length | 2.500 INCHES NOMINAL IN |
| Thread Length | 2.400 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Thread Quantity Per Inch | 20 |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Features Provided | FINISHED HEAD |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.438 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Class | 2A A |
| Surface Treatment | DICHROMATE ZINC OVERALL |
| Material | STEEL COMP 1040 OVERALL |
| Hardness Rating | 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SAE GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Height | 0.156 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| Successor | 5340-00-490-0514 (170025) |
| HAZMAT | No |
NSN 5306-01-211-0370 is a Bolt,machine, manufactured by Dorman Products, Inc. Dba Dorman, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-01-211-0370 has 3 cross-referenced part numbers: 903-025 (Dorman Products, Inc. Dba Dorman), 803-025 (Dorman Products, Inc. Dba Dorman), 170-025 (Dorman Products, Inc. Dba Dorman).
There are 5 known substitutes for 5306-01-211-0370: 5340-00-490-0514, 4530-00-339-5351, 5999-00-840-7599 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 903-025: Nominal Thread Diameter: 0.250 INCHES IN; Fastener Length: 2.500 INCHES NOMINAL IN; Thread Length: 2.400 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN; Head Style: HEXAGON. 16 total characteristics are documented in the Federal Logistics Information System.