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LE20038-24 Machine Bolt

5306-01-049-2157

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Official Item Classification

Name
Machine Bolt
Part Number
LE20038-24
(NSN) National Stock Number
5306-01-049-2157
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5306 Bolts
(INC) Item Name Code
01847
(FIIG) Federal Item Identification Guide
A003B0
Date
10/13/1977 (48 years ago)

hexagon head style, 0.796 inches minimum and 0.875 inches maximum thread length, 3.312 inches minimum and 3.359 inches maximum fastener length, 3a thread class, right-hand thread direction

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.796 inches minimum and 0.875 inches maximum

Fastener Length

3.312 inches minimum and 3.359 inches maximum

Head Style

hexagon

Head Height

0.265 inches minimum and 0.297 inches maximum

Width Between Flats

0.740 inches minimum and 0.752 inches maximum

Nominal Thread Diameter

0.500 inches

Grip Length

2.484 inches minimum and 2.516 inches maximum

Features Provided

finished head

Thread Quantity Per Inch

20

Hardness Rating

27.0 rockwell c minimum and 37.0 rockwell c maximum overall

Surface Finish

32.0 microinches grip

Surface Finish

32.0 microinches threads

Surface Finish

63.0 microinches bearing surface of head

Material

steel corrosion resisting overall

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

0001847

Related Hardware Products

Part Number Description
LE20038-24 Machine Bolt
MS20038-24 Machine Bolt

Frequently Asked Questions

What is the FSCG of the NSN 5306-01-049-2157?
The FSCG of the NSN 5306-01-049-2157 is 5306
Does the NSN 5306-01-049-2157 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-01-049-2157 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 5306-01-049-2157 contain precious materials?
Precious metal content is unknown
Does NSN 5306-01-049-2157 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 5306-01-049-2157 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Thu, Oct 13, 1977