Stepped Stud

Model / MPN: 56821P012 | NSN: 5307-00-145-4839

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

5307-00-145-4839

Sold in multiples of

DEMIL

Thread Class

3a nut thread

Thread Pitch Diameters

+0.4682/+0.4697 inches stud thread

Thread Pitch Diameters

+0.4682 to 0.4697 inches stud thread

Thread Direction

Right-hand nut thread

Thread Direction

Right-hand stud thread

Thread Length

0.680 inches nut thread

Thread Length

0.770 inches stud thread

Shank Diameter

Between 0.358 inches and 0.368 inches

Overall Length

1.800 inches

Thready Qty Per Inch (tpi)

13 stud thread

Thready Qty Per Inch (tpi)

20 nut thread

Thread Size

0.438 inches nut thread

Thread Size

0.500 inches stud thread

Material

Steel comp 4640 or steel comp 6150

Material Specification

Ams 6312 assn standard 1st material response or ams 6448 assn standard 2nd material response

Surface Treatment

Cadmium

Surface Treatment Specification

Ams 2400-3 assn standard single treatment response

Style Designator

Stepped

Thread Series Designator

Unf nut thread

Thread Series Designator

Uns stud thread

56821P Series Parts

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

56821P012 Cross Reference

56821P12
56821P012