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5306-00-151-0420

Machine Bolt

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Official Item Classification

Name
Machine Bolt
(NSN) National Stock Number
5306-00-151-0420
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5306 Bolts
(INC) Item Name Code
01847
(FIIG) Federal Item Identification Guide
A003B0
Date
01/01/1963 (63 years ago)

0.766 inches minimum and 0.812 inches maximum fastener length, 0.501 inches minimum and 0.577 inches maximum thread length, 3a thread class, hexagon head style, right-hand thread direction

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.501 inches minimum and 0.577 inches maximum

Fastener Length

0.766 inches minimum and 0.812 inches maximum

Head Style

hexagon

Head Height

0.203 inches minimum and 0.234 inches maximum

Width Between Flats

0.430 inches minimum and 0.439 inches maximum

Hole Diameter

0.070 inches nominal

Nominal Thread Diameter

0.250 inches

Grip Length

0.235 inches minimum and 0.265 inches maximum

Hole Quantity

6

Hole Type

drilled

Features Provided

finished head

Thread Quantity Per Inch

20

Minimum Tensile Strength

125000 pounds per square inch

Hardness Rating

26.0 rockwell c minimum and 32.0 rockwell c maximum overall

Hole Configuration Style

hexagon flats

Material

steel comp 4130 or steel comp 8630 or steel comp 8735 or steel comp 8740 overall

Material Document And Classification

mil-s-6758 mil spec 1st material response or mil-s-6050 mil spec 2nd material response or mil-s-6098 mil spec 3rd material response or mil-s-6049 mil spec 4th material response overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-416,ty 2 cl 3 fed spec all treatment responses overall

Thread Series Designator

unc

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0001847

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Frequently Asked Questions

What is the FSCG of the NSN 5306-00-151-0420?
The FSCG of the NSN 5306-00-151-0420 is 5306
Does the NSN 5306-00-151-0420 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-151-0420 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 5306-00-151-0420 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-151-0420 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 5306-00-151-0420 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963