The Bolt,machine, cataloged under National Stock Number 5306-01-198-1698, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-198-1698 |
| Primary Part Number | B1821BH031C450D |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | American National Standards Institute Incorporated Dba American National Standards Institute |
| Status | ACTIVE |
| Thread Quantity Per Inch | 18 |
| Head Height | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN |
| Width Between Flats | 0.4890 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Hole Diameter | 0.0625 INCHES NOMINAL IN |
| Head Style | HEXAGON |
| Hole Type | DRILLED |
| Thread Class | 2A A |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Material Document and Classification | ASTM A354, GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Hole Quantity | 1 |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Features Provided | FINISHED HEAD |
| Thread Direction | RIGHT-HAND |
| Hole Configuration Style | HEXAGON FLATS |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Thread Length | 4.295 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN |
| Fastener Length | 4.406 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN |
| Minimum Yield Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Material | STEEL OVERALL |
| Surface Treatment Document and Classification | ASTM B633, TYPE 2 ASSN STD ALL TREATMENT RESPONSES OVERALL |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B1821BH031C450D PRIMARY | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| 659 | Dept of the Air Force Technology Integration Ctr /afcc/ (USA) |
| 659 | Society of Automotive Engineers Inc (USA) |
| 659 PRIMARY | Sae International Dba Sae International (USA) |
| FF-S-85 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| MS18154-48 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5306-01-198-1698 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: active.
NSN 5306-01-198-1698 has 6 cross-referenced part numbers: B1821BH031C450D (American National Standards Institute Incorporated Dba American National Standards Institute), 659 (Dept of the Air Force Technology Integration Ctr /afcc/), 659 (Society of Automotive Engineers Inc), 659 (Sae International Dba Sae International), FF-S-85 (Federal Specifications Promulgated by General Services Administration Washington DC) and 1 more.
There are 12 known substitutes for 5306-01-198-1698: 5306-00-225-8516, 5306-00-225-9095, 5306-00-226-4824 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for B1821BH031C450D: Thread Quantity Per Inch: 18; Head Height: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN; Width Between Flats: 0.4890 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN; Hole Diameter: 0.0625 INCHES NOMINAL IN. 22 total characteristics are documented in the Federal Logistics Information System.