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7720E Eccentric Head Bolt

5306-00-362-3707

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Official Item Classification

Name
Eccentric Head Bolt
Part Number
7720E
(NSN) National Stock Number
5306-00-362-3707
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5306 Bolts
(INC) Item Name Code
21861
(FIIG) Federal Item Identification Guide
A003B0
Date
01/01/1963 (63 years ago)

2.375 inches nominal fastener length, double hexagon head style, 3a thread class, right-hand thread direction, 0.685 inches minimum and 0.688 inches maximum head diameter

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Fastener Length

2.375 inches nominal

Head Style

double hexagon

Head Diameter

0.685 inches minimum and 0.688 inches maximum

Head Height

0.250 inches nominal

Distance From Center Of Head To Center Of Shank

0.312 inches nominal

Shank Unthreaded Hole Diameter

0.109 inches nominal first hole

Internal Drive Style

w/o internal drive

Nominal Thread Diameter

0.437 inches

Thread Quantity Per Inch

20

Minimum Tensile Strength

135000 pounds per square inch

Hardness Rating

28.0 rockwell c minimum and 31.0 rockwell c maximum overall

Distance From Head Largest Bearing Surface To Shank Hole Center

2.266 inches nominal first hole

Material

steel comp 3140 overall

Material Document And Classification

sae assn std single material response overall

Thread Series Designator

unf

Replacement For

Part Number Description
5306-00-145-1348 No Name Available 01/01/1960
5306-00-692-8329 No Name Available 01/01/1963

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.

Source of Supply Code

S9I

Pseudo Item Name Code

0021861

Related Hardware Products

Part Number Description
1581743 Eccentric Head Bolt
21055 Eccentric Head Bolt
21055A Eccentric Head Bolt
7720E Eccentric Head Bolt

Frequently Asked Questions

What is the FSCG of the NSN 5306-00-362-3707?
The FSCG of the NSN 5306-00-362-3707 is 5306
Does the NSN 5306-00-362-3707 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-362-3707 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 5306-00-362-3707 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-362-3707 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 5306-00-362-3707 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963