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5306-00-005-0743

Close Tolerance Bolt

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Official Item Classification

Name
Close Tolerance Bolt
(NSN) National Stock Number
5306-00-005-0743
(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
06/07/1972 (54 years ago)

Thread Length: 0.31 inches to 0.377 inches, Hardness Rating: 36 Rockwell c to 41 Rockwell c

Specs & Compatibility

Surface Treatment Document and Classification

Qq-p-416 ty 2 cl 2 fed spec all treatment responses

Surface Treatment

Cadmium and chromate

Material Document and Classification

Mil-b-83050 mil spec single material response

Material

Steel

Thread Length

0.31 inches to 0.377 inches

Thread Class

3a

Thread Direction

Right-hand

Head Style

Dished hexagon

Fastener Length

1.665 inches to 1.685 inches

Head Height

0.157 inches to 0.172 inches

Width Between Flats

0.492 inches to 0.502 inches

Grip Diameter

0.3108 inches to 0.3117 inches

Nominal Thread Diameter

0.312 inches

Shank Unthreaded Hole Diameter

0.076 inches first hole to 0.086 inches first hole

Thread Quantity Per Inch

24

Grip Length

1.188 inches to 1.204 inches

Hardness Rating

36 rockwell c to 41 rockwell c

Distance From Head Largest Bearing Surface To Shank Hole Center

1.55 inches first hole to 1.58 inches first hole

Surface Finish

63 microinches bearing surface of head

Surface Finish

63 microinches grip

Special Features

W/retaining element on shank

Thread Series Designator

Unjf

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

Related Hardware Products

Part Number Description
106467-5-19 Close Tolerance Bolt
AS194-5-19 Close Tolerance Bolt
CA4510-5-19 Close Tolerance Bolt
MS27576-5-19 Close Tolerance Bolt

Frequently Asked Questions

What is the FSCG of the NSN 5306-00-005-0743?
The FSCG of the NSN 5306-00-005-0743 is 5306
Does the NSN 5306-00-005-0743 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-005-0743 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 5306-00-005-0743 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-005-0743 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 5306-00-005-0743 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Wed, Jun 7, 1972