The Bolt,machine, cataloged under National Stock Number 5306-00-051-4086, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American National Standards Institute Incorporated Dba American National Standards Institute. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5306-00-051-4086 |
| Primary Part Number | B1821BH031F300N |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | American National Standards Institute Incorporated Dba American National Standards Institute |
| Status | CANCELLED |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Quantity Per Inch | 24 |
| Thread Class | 2A A |
| Head Style | HEXAGON |
| Fastener Length | 2.906 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Thread Series Designator | UNF |
| Material Document and Classification | SAEJ429GRADE8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Width Between Flats | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Head Height | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Material | STEEL OVERALL |
| Surface Treatment Document and Classification | ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Features Provided | FINISHED HEAD |
| Thread Length | 0.875 INCHES MINIMUM IN |
| Acquisition Status | CANCELLED |
| Successor | 5306-00-008-3693 |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS90727-44 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 91258A595 | Mcmaster-Carr Supply Co (USA) |
| FF-S-85 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| B1821BH031F300N PRIMARY | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
NSN 5306-00-051-4086 is a Bolt,machine, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-00-051-4086 has 4 cross-referenced part numbers: MS90727-44 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 91258A595 (Mcmaster-Carr Supply Co), FF-S-85 (Federal Specifications Promulgated by General Services Administration Washington DC), B1821BH031F300N (American National Standards Institute Incorporated Dba American National Standards Institute).
There are 12 known substitutes for 5306-00-051-4086: 5306-00-022-3666, 5306-00-225-8516, 5306-00-225-9095 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for B1821BH031F300N: Nominal Thread Diameter: 0.312 INCHES IN; Thread Quantity Per Inch: 24; Thread Class: 2A A; Head Style: HEXAGON. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-051-4086 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.