5306-00-139-7078

Find complete technical information, availability, and procurement data for: 5306-00-139-7078
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-139-7078

Item Name Code

15940

Assigment Date

09/10/1971 (54 years ago)

A headed externally threaded fastener whose threaded portion is of one nominal diameter with a series of longitudinal ribs, splines or serrations on all or part of the unthreaded portion. See also bolt, ribbed shoulder.

1.000 inches minimum thread length, 2.000 inches nominal fastener length, flat chamfer head style, right-hand thread direction, 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: 1.000 inches minimum
Fastener Length: 2.000 inches nominal
Head Style: flat chamfer
Head Diameter: 0.718 inches minimum and 0.750 inches maximum
Head Height: 0.187 inches nominal
Rib Major Diameter: 0.510 inches minimum and 0.525 inches maximum
Rib Length: 0.593 inches minimum and 0.625 inches maximum
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 20
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 1 fed spec single treatment 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
64A98C505-2	Ribbed Neck Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-139-7078?

The FSCG of the NSN 5306-00-139-7078 is 5306

Does the NSN 5306-00-139-7078 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-139-7078 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 5306-00-139-7078 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-139-7078 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 5306-00-139-7078 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Sep 10, 1971