B1821BH075F225L
View detailed technical data, stock status, and sourcing information for: B1821BH075F225L
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An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.
hexagon head style, right-hand thread direction, 2.156 inches minimum and 2.250 inches maximum fastener length, 1.750 inches minimum and 1.938 inches maximum thread length, 2a thread class
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 2a
- Thread Direction
- right-hand
- Thread Length
- 1.750 inches minimum and 1.938 inches maximum
- Fastener Length
- 2.156 inches minimum and 2.250 inches maximum
- Head Style
- hexagon
- Head Height
- 0.455 inches minimum and 0.483 inches maximum
- Width Between Flats
- 1.100 inches minimum and 1.125 inches maximum
- Locking Feature
- patch or pellet threads
- Nominal Thread Diameter
- 0.750 inches
- Features Provided
- finished head
- Thread Quantity Per Inch
- 16
- Minimum Tensile Strength
- 150000 pounds per square inch
- Hardness Rating
- 32.0 rockwell c minimum and 38.0 rockwell c maximum fastener
- Part Name Assigned By Controlling Agency
- navy special project
- Material
- plastic polyamide (nylon) locking feature
- Material
- steel fastener
- Material Document And Classification
- sae j429 gr 8 assn std single material response fastener
- Surface Treatment
- zinc and chromate fastener
- Surface Treatment Document And Classification
- astm b633 ty 2,cl fe/zn 5 assn std single treatment response fastener
- Thread Series Designator
- unf
- Nondefinitive Spec/Std Data
- 2 type and 10p style and 8 grade
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| B1821BH075F225L | Machine Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-01-330-9743?
Does the NSN 5306-01-330-9743 have a Schedule B code assigned?
Does NSN 5306-01-330-9743 require demilitarization?
Does NSN 5306-01-330-9743 contain precious materials?
Does NSN 5306-01-330-9743 contain hazardous materials?
When the NSN 5306-01-330-9743 was assigned to the Federal Catalog?
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