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5306-01-044-3011

Close Tolerance Bolt

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Official Item Classification

Name
Close Tolerance Bolt
(NSN) National Stock Number
5306-01-044-3011
(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
07/10/1977 (49 years ago)

0.526 inches minimum and 0.576 inches maximum thread length, right-hand thread direction, 1.598 inches minimum and 1.628 inches maximum fastener length, double hexagon w/hole head style, 3a thread class

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.526 inches minimum and 0.576 inches maximum

Fastener Length

1.598 inches minimum and 1.628 inches maximum

Head Style

double hexagon w/hole

Head Height

0.338 inches minimum and 0.358 inches maximum

Width Between Flats

0.367 inches minimum and 0.376 inches maximum

Extended Washer Diameter

0.521 inches minimum and 0.531 inches maximum

Extended Washer Thickness

0.072 inches minimum and 0.092 inches maximum

Grip Diameter

0.3115 inches minimum and 0.3120 inches maximum

Shank Unthreaded Hole Diameter

0.076 inches minimum and 0.081 inches maximum first hole

Nominal Thread Diameter

0.312 inches

Grip Length

1.052 inches minimum and 1.072 inches maximum

Thread Quantity Per Inch

24

Distance From Head Largest Bearing Surface To Shank Hole Center

1.390 inches minimum and 1.430 inches maximum first hole

Material

steel comp xm-13 overall

Surface Treatment

passivate overall

Thread Series Designator

unjf

Specification/Standard Data

76301-st3-571 professional/industrial association standard

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 5306-01-044-3011?
The FSCG of the NSN 5306-01-044-3011 is 5306
Does the NSN 5306-01-044-3011 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-01-044-3011 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 5306-01-044-3011 contain precious materials?
Precious metal content is unknown
Does NSN 5306-01-044-3011 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 5306-01-044-3011 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Sun, Jul 10, 1977