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Worldwide distributor of NSN parts and consumables located in the USA.

Stepped Stud

Model / MPN: STD3012B8R | NSN: 5307-01-114-7990
ITAR Registered seal

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
5307-01-114-7990
Sold in multiples of
1 EA
DEMIL
NO
Thread Pitch Diameters
+0.4097/+0.4112 inches stud thread
Thread Pitch Diameters
+0.3455/+0.3474 inches nut thread
Thread Direction
Right-hand nut thread
Thread Direction
Right-hand stud thread
Thread Length
0.625 inches nut thread and 0.730 inches nut thread
Thread Length
0.640 inches stud thread and 0.660 inches stud thread
Shank Diameter
Between 0.285 inches and 0.289 inches
Overall Length
Between 1.762 inches and 1.782 inches
Thready Qty Per Inch (tpi)
24 nut thread
Hardness Rating
Between 26.0 rockwell c and 32.0 rockwell c
Thread Size
0.375 inches nut thread
Surface Finish
32.0 microinches nut thd
Surface Finish
32.0 microinches stud thd
Surface Finish
63.0 microinches shank
Material
Steel comp 4140
Material Specification
Ams 6382 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ams 2400 assn standard single treatment response
Style Designator
Stepped
Thread Series Designator
Uns nut thread
3012B Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E418T306X Stud, Stepped 4 EA 10/01/2018

Pricing and Availability

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STD3012B8R Cross Reference