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5306-00-974-6594

Close Tolerance Bolt

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Official Item Classification

Name
Close Tolerance Bolt
(NSN) National Stock Number
5306-00-974-6594
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5306 Bolts
(INC) Item Name Code
27851
(FIIG) Federal Item Identification Guide
A003B0
Date
10/07/1966 (60 years ago)

double hexagon head style, 1.726 inches nominal fastener length, 0.341 inches minimum and 0.361 inches maximum thread length, 3a thread class, right-hand thread direction

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.341 inches minimum and 0.361 inches maximum

Fastener Length

1.726 inches nominal

Head Style

double hexagon

Head Height

0.177 inches minimum and 0.197 inches maximum

Width Between Flats

0.492 inches minimum and 0.502 inches maximum

Grip Diameter

0.3108 inches minimum and 0.3117 inches maximum

Nominal Thread Diameter

0.312 inches

Grip Length

1.365 inches minimum and 1.385 inches maximum

Thread Quantity Per Inch

24

Hardness Rating

50.0 rockwell c maximum overall

Material

steel comp h11 overall

Surface Treatment

cadmium overall

Test Data Document

26512-gb511b drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)

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.

Pseudo Item Name Code

0027851

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Frequently Asked Questions

What is the FSCG of the NSN 5306-00-974-6594?
The FSCG of the NSN 5306-00-974-6594 is 5306
Does the NSN 5306-00-974-6594 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-974-6594 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 5306-00-974-6594 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-974-6594 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 5306-00-974-6594 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Fri, Oct 7, 1966