5306-00-021-8156

Find complete technical information, availability, and procurement data for: 5306-00-021-8156
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-021-8156

Item Name Code

15939

Assigment Date

01/01/1963 (63 years ago)

A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.

2.938 inches minimum and 3.062 inches maximum fastener length, flat countersunk head style, right-hand thread direction, 1.250 inches minimum thread length, 2a thread class

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: 1.250 inches minimum
Fastener Length: 2.938 inches minimum and 3.062 inches maximum
Head Style: flat countersunk
Head Diameter: 0.875 inches minimum and 0.945 inches maximum
Neck Length: 0.375 inches minimum and 0.417 inches maximum
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 13
Minimum Yield Strength: 40000 pounds per square inch
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Neck Width: 0.500 inches minimum and 0.515 inches maximum
Material: steel overall
Material Document And Classification: qq-s-633,canc fed spec single material response overall
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
218156	Square Neck Bolt
5306000218156	Square Neck Bolt
MS35754-40	Square Neck Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-021-8156?

The FSCG of the NSN 5306-00-021-8156 is 5306

Does the NSN 5306-00-021-8156 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-021-8156 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 5306-00-021-8156 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-021-8156 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 5306-00-021-8156 was assigned to the Federal Catalog?

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