5306-00-178-8901

Find complete technical information, availability, and procurement data for: 5306-00-178-8901
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-178-8901

Item Name Code

27851

Assigment Date

02/24/1973 (53 years ago)

0.389 inches minimum and 0.500 inches maximum thread length, right-hand thread direction, hexagon head style, 3a thread class, 3.063 inches nominal 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: 3a
Thread Direction: right-hand
Thread Length: 0.389 inches minimum and 0.500 inches maximum
Fastener Length: 3.063 inches nominal
Head Style: hexagon
Head Height: 0.328 inches minimum and 0.360 inches maximum
Width Between Flats: 0.928 inches minimum and 0.940 inches maximum
Grip Diameter: 0.6230 inches minimum and 0.6240 inches maximum
Shank Unthreaded Hole Diameter: 0.141 inches minimum and 0.151 inches maximum first hole
Nominal Thread Diameter: 0.625 inches
Grip Length: 2.563 inches nominal
Thread Quantity Per Inch: 18
Distance From Head Largest Bearing Surface To Shank Hole Center: 2.871 inches nominal first hole
Material: steel comp 431 overall
Material Document And Classification: mil-s-18732 mil spec single material response overall
Thread Series Designator: unf

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
540SE202-265	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-178-8901?

The FSCG of the NSN 5306-00-178-8901 is 5306

Does the NSN 5306-00-178-8901 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-178-8901 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 5306-00-178-8901 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-178-8901 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 5306-00-178-8901 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Sat, Feb 24, 1973