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5306-00-541-9490

Close Tolerance Bolt

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Official Item Classification

Name
Close Tolerance Bolt
(NSN) National Stock Number
5306-00-541-9490
(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
10/02/1974 (52 years ago)

double hexagon head style, 3a thread class, 0.490 inches minimum and 0.557 inches maximum thread length, right-hand thread direction, 1.688 inches minimum and 1.735 inches maximum fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.490 inches minimum and 0.557 inches maximum

Fastener Length

1.688 inches minimum and 1.735 inches maximum

Head Style

double hexagon

Head Height

0.200 inches minimum and 0.220 inches maximum

Width Between Flats

0.553 inches minimum and 0.564 inches maximum

Grip Diameter

0.3740 inches minimum and 0.3745 inches maximum

Shank Unthreaded Hole Diameter

0.106 inches minimum and 0.111 inches maximum first hole

Nominal Thread Diameter

0.375 inches

Grip Length

1.178 inches minimum and 1.198 inches maximum

Thread Quantity Per Inch

24

Distance From Head Largest Bearing Surface To Shank Hole Center

1.563 inches minimum and 1.620 inches maximum first hole

Material

steel comp h11 overall

Material Document And Classification

ams 6487 assn std single material response overall

Thread Series Designator

unjf

Specification/Standard Data

08524-b-17019 manufacturers standard

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

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 5306-00-541-9490?
The FSCG of the NSN 5306-00-541-9490 is 5306
Does the NSN 5306-00-541-9490 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-541-9490 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 5306-00-541-9490 contain precious materials?
Item does not contain precious metal.
Does NSN 5306-00-541-9490 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 5306-00-541-9490 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Wed, Oct 2, 1974