B1821BH050C250L

View detailed technical data, stock status, and sourcing information for: B1821BH050C250L
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-196-0443

Item Name Code

01847

Assigment Date

12/07/1984 (41 years ago)

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.

2.406 inches minimum and 2.500 inches maximum fastener length, 2a thread class, hexagon head style, right-hand thread direction, 2.234 inches minimum and 2.328 inches maximum thread length

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: 2.234 inches minimum and 2.328 inches maximum
Fastener Length: 2.406 inches minimum and 2.500 inches maximum
Head Style: hexagon
Head Height: 0.302 inches minimum and 0.323 inches maximum
Width Between Flats: 0.736 inches minimum and 0.750 inches maximum
Locking Feature: patch or strip threads
Nominal Thread Diameter: 0.500 inches
Features Provided: finished head
Thread Quantity Per Inch: 13
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum fastener
Material: plastic polyamide (nylon) locking feature
Material: steel fastener
Material Document And Classification: sae j429,grade 8 assn std single material response or astm a354,grade bd assn std single material response fastener
Surface Treatment: zinc and chromate fastener
Surface Treatment Document And Classification: astm b633 ty 2 sc 3 assn std single treatment response fastener
Thread Series Designator: unc

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
8T0800	Machine Bolt
B1821BH050C250L	Machine Bolt
MS90728-117L	Machine Bolt

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5306-01-196-0443?

The FSCG of the NSN 5306-01-196-0443 is 5306

Does the NSN 5306-01-196-0443 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-196-0443 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5306-01-196-0443 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-196-0443 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5306-01-196-0443 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Dec 7, 1984