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1128LM40407-11 Close Tolerance Bolt

5306-00-304-7933

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Official Item Classification

Name
Close Tolerance Bolt
Part Number
1128LM40407-11
(NSN) National Stock Number
5306-00-304-7933
(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
10/17/1973 (53 years ago)

0.375 inches maximum thread length, 3a thread class, 0.750 inches nominal fastener length, right-hand thread direction, round w/wrench flats head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.375 inches maximum

Fastener Length

0.750 inches nominal

Head Style

round w/wrench flats

Head Diameter

0.580 inches nominal

Head Height

0.177 inches nominal

Width Between Flats

0.331 inches nominal

Grip Diameter

0.310 inches minimum and 0.311 inches maximum

Shank Unthreaded Hole Diameter

0.076 inches minimum and 0.086 inches maximum first hole

Nominal Thread Diameter

0.312 inches

Grip Length

0.375 inches nominal

Thread Quantity Per Inch

24

Minimum Tensile Strength

180000 pounds per square inch

Distance From Head Largest Bearing Surface To Shank Hole Center

0.631 inches nominal first hole

Surface Finish

32.0 microinches bearing surface of head

Surface Finish

32.0 microinches grip

Material

steel 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.

Pseudo Item Name Code

0027851

Related Hardware Products

Part Number Description
1128LM40407-11 Close Tolerance Bolt

Frequently Asked Questions

What is the FSCG of the NSN 5306-00-304-7933?
The FSCG of the NSN 5306-00-304-7933 is 5306
Does the NSN 5306-00-304-7933 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-304-7933 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 5306-00-304-7933 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-304-7933 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 5306-00-304-7933 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Wed, Oct 17, 1973