Ribbed Shoulder Bolt

Model / MPN: 68076E | NSN: 5306-00-741-1026

An externally threaded fastener whose threaded portion is of one diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also bolt, ribbed neck.

Product Details

NATO Stock Number

5306-00-741-1026

Sold in multiples of

1 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Thread Length

0.625 inches

Fastener Length

1.188 inches

Head Style

Hexagon

Head Height

0.188 inches

Width Between Flats

0.562 inches

Shoulder Diameter

0.407 inches first shoulder and 0.410 inches first shoulder

Shoulder Length

1.812 inches first shoulder

Rib Major Diameter

Between 0.422 inches and 0.432 inches

Rib Length

0.125 inches

Distance From Largest Diameter Of Bearing Surface Of Head To Ribs

0.094 inches

Thread Diameter

0.375 inches

Thready Qty Per Inch (tpi)

Hardness Rating

20.0 rockwell c and 26.0 rockwell c

Shoulder Shape

Ribbed first shoulder

Material

Steel comp 1038 or steel comp 1039 or steel comp 1040 or steel comp 1541 or steel comp 1042 or steel comp 1043 or steel comp 1045

Material Specification

66 federal standard all material responses or aisi assn standard all material responses or sae assn standard all material responses

Surface Treatment

Cadmium or zinc

Thread Series Designator

Unf

68076E Series Parts

68076E

Pricing and Availability

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68076E Cross Reference

7411026
298490