5306-01-139-6057

Find complete technical information, availability, and procurement data for: 5306-01-139-6057
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-139-6057

Item Name Code

01847

Assigment Date

10/05/1982 (43 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes:undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also bolt, externally relieved body and bolt, internal wrenching.

2a thread class, right-hand thread direction, 1.688 inches minimum and 1.750 inches maximum fastener length, hexagon head style, 1.440 inches minimum and 1.560 inches maximum thread 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: 2a
Thread Direction: right-hand
Thread Length: 1.440 inches minimum and 1.560 inches maximum
Fastener Length: 1.688 inches minimum and 1.750 inches maximum
Head Style: hexagon
Head Height: 0.378 inches minimum and 0.403 inches maximum
Width Between Flats: 0.923 inches minimum and 0.938 inches maximum
Nominal Thread Diameter: 0.625 inches
Grip Length: 0.250 inches nominal
Features Provided: finished head
Thread Quantity Per Inch: 11
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Material: steel comp 4140 or steel comp 8640 overall
Material Document And Classification: astm a322 assn std 1st material response or astm a331 assn std 2nd material response overall
Surface Treatment: phosphate overall
Surface Treatment Document And Classification: mil-p-16232 ty m cl 2 mil spec single treatment 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
12270459	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-139-6057?

The FSCG of the NSN 5306-01-139-6057 is 5306

Does the NSN 5306-01-139-6057 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-139-6057 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 5306-01-139-6057 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-139-6057 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 5306-01-139-6057 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Tue, Oct 5, 1982