Eccentric Head Bolt

Model / MPN: 121E59 | NSN: 5306-00-429-7390

An externally threaded fastener the head of which is usually flat with a periphery not concentric to the bolt shank. The head is not designed for wrenching. It may have a drive feature located at the threaded end, which can be used to rotate the screw and eccentric head into a locking position to secure a flanged or groove component.

Product Details

NATO Stock Number

5306-00-429-7390

Sold in multiples of

1 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Fastener Length

2.344 inches

Head Style

Flat chamfer

Head Diameter

1.125 inches

Head Height

0.656 inches

Distance From Center Of Head To Center Of Shank

0.062 inches

Internal Drive Style

W/o internal drive

Thread Diameter

0.875 inches

Thready Qty Per Inch (tpi)

Hardness Rating

22.0 rockwell c and 30.0 rockwell c

Material

Steel comp 1144

Material Specification

Qq-s-637 federal specification single material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416 federal specification single treatment response

Thread Series Designator

Unf

121E Series Parts

Pricing and Availability

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121E59 Cross Reference

7374019
121E59
121E59
121E59