Ribbed Shoulder Bolt

Model / MPN: 20X53 | NSN: 5306-00-070-0024

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

5306-00-070-0024

Sold in multiples of

1 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Thread Length

1.125 inches

Fastener Length

2.720 inches

Head Style

Pan no. 2

Head Diameter

1.328 inches

Head Height

0.335 inches

Rib Major Diameter

1.000 inches

Rib Length

0.440 inches

Distance From Largest Diameter Of Bearing Surface Of Head To Ribs

0.135 inches

Rib Minor Diameter

0.938 inches

Rib Quantity

Thread Diameter

0.750 inches

Thready Qty Per Inch (tpi)

Rib Included Angle

45.0 degrees

Shoulder Shape

Ribbed first shoulder

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel

Thread Series Designator

Unf

Pricing and Availability

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20X53 Cross Reference

P30886
P30886
20X53