MB251-3H2

View detailed technical data, stock status, and sourcing information for: MB251-3H2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-253-6437

Item Name Code

01847

Assigment Date

04/23/1987 (39 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.

5306-01-253-6437, machine bolt

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
801651-3H2	Machine Bolt
MB251-3H2	Machine Bolt
PBF1264-3H2	Machine Bolt
SC2663-3-2H	Machine Bolt
SC2663-3H2	Machine Bolt
ST3M731-3H2	Machine Bolt
VS3207-3-2H	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-253-6437?

The FSCG of the NSN 5306-01-253-6437 is 5306

Does NSN 5306-01-253-6437 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 5306-01-253-6437 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-253-6437 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 5306-01-253-6437 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Apr 23, 1987