5306-01-278-1960

Find complete technical information, availability, and procurement data for: 5306-01-278-1960
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-278-1960

Item Name Code

01847

Assigment Date

05/03/1988 (38 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.

3a thread class, 0.902 inches nominal thread length, 1.000 inches nominal fastener length, right-hand thread direction, double hexagon w/hole head style

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: 0.902 inches nominal
Fastener Length: 1.000 inches nominal
Head Style: double hexagon w/hole
Head Height: 0.388 inches nominal
Width Between Flats: 0.438 inches nominal
Extended Washer Diameter: 0.562 inches nominal
Extended Washer Thickness: 0.090 inches minimum
Nominal Thread Diameter: 0.375 inches
Grip Length: 0.088 inches minimum and 0.108 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 130000 pounds per square inch
Hardness Rating: 24.0 rockwell c minimum and 35.0 rockwell c maximum overall
Minimum Yield Strength: 85000 pounds per square inch
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: iron alloy 660 overall
Material Document And Classification: ams 5731 assn std single material response 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
MS9559-10	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-278-1960?

The FSCG of the NSN 5306-01-278-1960 is 5306

Does the NSN 5306-01-278-1960 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-278-1960 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 5306-01-278-1960 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-278-1960 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 5306-01-278-1960 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Tue, May 3, 1988