B1821BH031C088N

View detailed technical data, stock status, and sourcing information for: B1821BH031C088N
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-226-4826

Item Name Code

01847

Assigment Date

01/01/1963 (63 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.

0.705 inches minimum and 0.875 inches maximum thread length, right-hand thread direction, 2a thread class, hexagon head style, 0.844 inches minimum and 0.875 inches maximum fastener 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: 0.705 inches minimum and 0.875 inches maximum
Fastener Length: 0.844 inches minimum and 0.875 inches maximum
Head Style: hexagon
Head Height: 0.195 inches minimum and 0.211 inches maximum
Width Between Flats: 0.489 inches minimum and 0.500 inches maximum
End Item Identification: mrap rg-33; mrap - m-atv with cs13 pop and sne; multiple launch rocket system (mlrs); a4 bradley fighting vehicle; a3 bradley fighting vehicle; logistics support vessel (lsv)
Nominal Thread Diameter: 0.312 inches
Features Provided: finished head
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 150000 pounds per square inch
Surface Finish: 63.0 microinches threads
Material: steel overall
Material Document And Classification: sae j429 grade 8 assn std single material response or astm a354 grade bd assn std single material response overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: astm b633 ty 2 sc 3 assn std single treatment response overall
Thread Series Designator: unc
Specification/Standard Data: 05047-aeb02c313875aw9a91 professional/industrial association specification

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-012-0229	No Name Available	07/01/1981
5306-00-018-6625	No Name Available	07/01/1981
5306-00-282-0910	No Name Available	08/01/2013
5306-00-558-4038	No Name Available	01/01/1986
5306-00-632-1662	No Name Available	10/01/1985
5306-00-685-8363	No Name Available	05/01/1986
5306-00-990-6522	No Name Available	08/01/1982
5306-01-080-8994	No Name Available	01/01/1990
5305-01-194-0399	No Name Available	08/01/1987

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
0656303	Machine Bolt
120229	Machine Bolt
16KP243	Machine Bolt
1DD825	Machine Bolt
456720125809	Machine Bolt
5306002264826	Machine Bolt
5306PL1494994	Machine Bolt
65-5-7	Machine Bolt
7-116	Machine Bolt
9421706	Machine Bolt
AEB02C312875AW9A91	Machine Bolt
B1821BH031C088N	Machine Bolt
G1921BH031C088N	Machine Bolt
MS90728-33	Machine Bolt
PC186625	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-226-4826?

The FSCG of the NSN 5306-00-226-4826 is 5306

Does the NSN 5306-00-226-4826 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-226-4826 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 5306-00-226-4826 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-226-4826 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 5306-00-226-4826 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963