5306-00-053-8731

Find complete technical information, availability, and procurement data for: 5306-00-053-8731
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-053-8731

Item Name Code

04905

Assigment Date

05/25/1967 (59 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes:thumbscrew.

3a thread class, 0.450 inches minimum thread length, 0.630 inches nominal fastener length, double hexagon extended washer 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 Class: 3a
Thread Direction: right-hand
Thread Length: 0.450 inches minimum
Fastener Length: 0.630 inches nominal
Head Style: double hexagon extended washer
Head Height: 0.320 inches minimum and 0.340 inches maximum
Width Between Flats: 0.304 inches minimum and 0.313 inches maximum
Extended Washer Diameter: 0.428 inches minimum and 0.448 inches maximum
Extended Washer Thickness: 0.060 inches minimum and 0.070 inches maximum
Shoulder Diameter: 0.2650 inches minimum and 0.2655 inches maximum first shoulder
Shoulder Length: 0.170 inches minimum and 0.190 inches maximum first shoulder
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Hardness Rating: 42.0 rockwell c minimum and 46.0 rockwell c maximum overall
Shoulder Shape: round first shoulder
Material: steel comp 601 overall
Material Document And Classification: ams6304 assn std single material response overall
Surface Treatment: nickel overall
Thread Series Designator: unjf

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
37C302277P103	Shoulder Bolt
37C302377P103	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-053-8731?

The FSCG of the NSN 5306-00-053-8731 is 5306

Does the NSN 5306-00-053-8731 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-053-8731 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 5306-00-053-8731 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-053-8731 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 5306-00-053-8731 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Thu, May 25, 1967