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379398 U Bolt

5306-01-158-6231

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Official Item Classification

Name
U Bolt
Part Number
379398
(NSN) National Stock Number
5306-01-158-6231
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5306 Bolts
(INC) Item Name Code
06665
(FIIG) Federal Item Identification Guide
A003B0
Date
07/26/1983 (43 years ago)

2a thread class, 3.653 inches minimum and 3.658 inches maximum inside distance between shanks, 8.720 inches minimum and 8.840 inches maximum distance from inside center of bend to bolt end, 3.020 inches minimum and 3.140 inches maximum thread length, right-hand thread direction

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

3.020 inches minimum and 3.140 inches maximum

Distance From Inside Center Of Bend To Bolt End

8.720 inches minimum and 8.840 inches maximum

Inside Distance Between Shanks

3.653 inches minimum and 3.658 inches maximum

Nominal Thread Diameter

0.625 inches

Thread Quantity Per Inch

18

Minimum Tensile Strength

60800 pounds per square inch

Hardness Rating

23.0 rockwell c minimum and 32.0 rockwell c maximum overall

Material

steel comp 1541 overall

Style Designator

round bend

Thread Series Designator

unrf

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

0006665

Related Hardware Products

Part Number Description
379398 U Bolt

Frequently Asked Questions

What is the FSCG of the NSN 5306-01-158-6231?
The FSCG of the NSN 5306-01-158-6231 is 5306
Does the NSN 5306-01-158-6231 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-01-158-6231 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 5306-01-158-6231 contain precious materials?
Item does not contain precious metal.
Does NSN 5306-01-158-6231 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 5306-01-158-6231 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Tue, Jul 26, 1983