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5306-00-427-7027

Find complete technical information, availability, and procurement data for: 5306-00-427-7027

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5306-00-427-7027
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-427-7027
Item Name Code
06675
Assigment Date
05/08/1974 (52 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, 0.734 inches minimum and 0.766 inches maximum fastener length, right-hand thread direction, double hexagon w/hole head style, 0.310 inches nominal 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
3a
Thread Direction
right-hand
Thread Length
0.310 inches nominal
Fastener Length
0.734 inches minimum and 0.766 inches maximum
Head Style
double hexagon w/hole
Head Height
0.214 inches nominal
Width Between Flats
0.243 inches minimum and 0.251 inches maximum
Extended Washer Diameter
0.359 inches minimum and 0.369 inches maximum
Extended Washer Thickness
0.040 inches nominal
First Diameter From Head
0.031 inches minimum and 0.041 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.424 inches minimum and 0.456 inches maximum
Nominal Thread Diameter
0.190 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
260000 pounds per square inch
Hardness Rating
51.0 rockwell c minimum and 54.0 rockwell c maximum overall
Externally Relieved Body Diameter Quantity
1
Material
steel comp h11 or steel comp 4340 overall
Surface Treatment
cadmium overall
Surface Treatment Document And Classification
mil-c-8837,type 1,class 2 mil spec single treatment 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
570550-42 Externally Relieved Body Bolt
SD300-106856-3-42 Externally Relieved Body Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-427-7027?
The FSCG of the NSN 5306-00-427-7027 is 5306
Does the NSN 5306-00-427-7027 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-427-7027 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 5306-00-427-7027 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-427-7027 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 5306-00-427-7027 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Wed, May 8, 1974

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