B18234B12025N

View detailed technical data, stock status, and sourcing information for: B18234B12025N
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-496-2591

Item Name Code

01847

Assigment Date

04/09/2002 (24 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.

11.9 millimeters maximum head height, 25.0 millimeters nominal fastener length, 25.0 millimeters nominal thread length, chamfer flange head style, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Direction: right-hand
Thread Length: 25.0 millimeters nominal
Fastener Length: 25.0 millimeters nominal
Head Style: chamfer flange
Head Height: 11.9 millimeters maximum
Width Between Flats: 14.57 millimeters minimum and 15.00 millimeters maximum
Extended Washer Diameter: 24.7 millimeters maximum
Extended Washer Thickness: 1.8 millimeters minimum
End Item Identification: interim armored vehicle (iav), contractor logistics support (cls)
Nominal Thread Diameter: 12.0 millimeters
Thread Pitch In Millimeters: 1.75
External Thread Tolerance Class: 6g
Part Name Assigned By Controlling Agency: metric hex flange screws
Material: steel overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: astm b633,tyiicl10.9 assn std all treatment responses overall
Thread Series Designator: m

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
B18234B12025N	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-496-2591?

The FSCG of the NSN 5306-01-496-2591 is 5306

Does the NSN 5306-01-496-2591 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-496-2591 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 5306-01-496-2591 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-496-2591 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 5306-01-496-2591 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Tue, Apr 9, 2002