The Bolt,machine, cataloged under National Stock Number 5306-00-050-1239, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 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 | 5306-00-050-1239 |
| Primary Part Number | B1821BH031F150N |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | CANCELLED |
| Fastener Length | 1.438 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Thread Length | 0.874 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Head Height | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN |
| Material Document and Classification | SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Width Between Flats | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Head Style | HEXAGON |
| Surface Finish | 63.0 MICROINCHES THREADS |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Surface Treatment Document and Classification | ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Criticality Code Justification | FEAT |
| Material | STEEL OVERALL |
| Features Provided | FINISHED HEAD |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Series Designator | UNF |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 24 |
| Acquisition Status | CANCELLED |
| Successor | 5306-00-019-0882 (190882) |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1363HX1 | Oshkosh Corp (USA) |
| MS90727-38 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| ASME B18.2.1 | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| ASME B18.2.1 | The American Society of Mechanical Engineers (USA) |
| 56892 | Parker Hannifin Corporation Div Hydraulic Systems Division (USA) |
| AEB02F312A50AW9A91 | The American Society of Mechanical Engineers (USA) |
| B1821BH031F150N PRIMARY | The American Society of Mechanical Engineers (USA) |
| B1821BH031F150N | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| 5306000501239 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5306-00-050-1239 is a Bolt,machine, manufactured by The American Society of Mechanical Engineers, classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-00-050-1239 has 9 cross-referenced part numbers: 1363HX1 (Oshkosh Corp), MS90727-38 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), ASME B18.2.1 (American National Standards Institute Incorporated Dba American National Standards Institute), ASME B18.2.1 (The American Society of Mechanical Engineers), 56892 (Parker Hannifin Corporation Div Hydraulic Systems Division) and 4 more.
There are 12 known substitutes for 5306-00-050-1239: 5306-00-019-0882, 5306-00-042-6921, 5306-00-042-6922 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for B1821BH031F150N: Fastener Length: 1.438 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN; Thread Length: 0.874 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN; Thread Class: 2A A; Head Height: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN. 21 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-050-1239 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.