Stepped Stud

Model / MPN: 2145S80 | NSN: 5307-00-149-5502

A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends on which the diameter of one threaded section is greater than the other. The entire unthreaded portion must be of a single diameter equal to or smaller than the major diameter of the larger threaded end. Includes radial grooves or thread reliefs. Excludes items with tapered threads.

Product Details

NATO Stock Number

5307-00-149-5502

Sold in multiples of

100 EA

DEMIL

Thread Class

3a nut thread

Thread Pitch Diameters

+0.3470/+0.3480 inches stud thread

Thread Pitch Diameters

+0.3470 to 0.3480 inches stud thread

Thread Direction

Right-hand nut thread

Thread Direction

Right-hand stud thread

Thread Length

0.530 inches stud thread

Thread Length

0.620 inches nut thread

Shank Diameter

Between 0.282 inches and 0.286 inches

Overall Length

Between 1.330 inches and 1.370 inches

Thready Qty Per Inch (tpi)

16 stud thread

Thready Qty Per Inch (tpi)

24 nut thread

Hardness Rating

Between 26.0 rockwell c and 32.0 rockwell c

Thread Size

0.312 inches nut thread

Thread Size

0.375 inches stud thread

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp 8740 or steel comp 4130

Surface Treatment

Cadmium

Style Designator

Stepped

Thread Series Designator

Unf nut thread

Thread Series Designator

Uns stud thread

2145S Series Parts

Pricing and Availability

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Stepped Stud

Pricing and Availability

Certified Quality Assurance

2145S80 Cross Reference