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5306-00-059-7641

Machine Bolt

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Official Item Classification

Name
Machine Bolt
(NSN) National Stock Number
5306-00-059-7641
(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)

right-hand thread direction, 3a thread class, 2.624 inches nominal fastener length, 0.812 inches minimum thread length, double hexagon extended washer head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.812 inches minimum

Fastener Length

2.624 inches nominal

Head Style

double hexagon extended washer

Head Height

0.494 inches minimum and 0.514 inches maximum

Width Between Flats

0.556 inches minimum and 0.565 inches maximum

Extended Washer Diameter

0.818 inches minimum and 0.828 inches maximum

Extended Washer Thickness

0.123 inches nominal

Nominal Thread Diameter

0.500 inches

Grip Length

1.812 inches nominal

Features Provided

finished head

Thread Quantity Per Inch

20

Minimum Tensile Strength

180000 pounds per square inch

Hardness Rating

39.0 rockwell c minimum and 43.0 rockwell c maximum overall

Material

steel overall

Surface Treatment

cadmium and chromate overall

Thread Series Designator

unf

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.

Source of Supply Code

S9I

Pseudo Item Name Code

0001847

Related Hardware Products

Part Number Description
54590-8-29 Machine Bolt
GY628-29 Machine Bolt

Frequently Asked Questions

What is the FSCG of the NSN 5306-00-059-7641?
The FSCG of the NSN 5306-00-059-7641 is 5306
Does the NSN 5306-00-059-7641 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-059-7641 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 5306-00-059-7641 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-059-7641 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 5306-00-059-7641 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963