The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-941-0143, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cooper Power Systems Inc. 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-941-0143 |
| Primary Part Number | DF2B1 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Cooper Power Systems Inc |
| Status | ACTIVE |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 13 |
| Material | STEEL COMP 1015 OVERALL |
| Thread Class | 2A A |
| Surface Treatment | ZINC OVERALL |
| Surface Treatment Document and Classification | ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| First Diameter From Head | 0.437 INCHES NOMINAL IN |
| Thread Length | 0.625 INCHES MINIMUM IN |
| Head Height | 0.308 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Width Between Flats | 0.7500 INCHES MINIMUM AND 0.775 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | SQUARE |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.375 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| Successor | 5340-00-004-2206 (5014-21) |
| HAZMAT | No |
NSN 5306-00-941-0143 is a Bolt,externally Relieved Body, manufactured by Cooper Power Systems Inc, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-941-0143 has 3 cross-referenced part numbers: DF2B1 (Cooper Power Systems Inc), 66001-1 (Cooper Power Systems Inc), 6001-1-2 (Cooper Power Systems Inc).
There are 10 known substitutes for 5306-00-941-0143: 5340-00-004-2206, 6105-00-130-5732, 5330-00-059-8771 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for DF2B1: Fastener Length: 1.000 INCHES NOMINAL IN; Thread Quantity Per Inch: 13; Material: STEEL COMP 1015 OVERALL; Thread Class: 2A A. 17 total characteristics are documented in the Federal Logistics Information System.