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

Stepped Stud

Model / MPN: ERNH291 | NSN: 5307-00-445-2912
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
5307-00-445-2912
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a stud thread
Thread Class
3a nut thread
Thread Pitch Diameters
+0.2827/+0.2854 inches nut thread
Thread Pitch Diameters
+0.3287/+0.3331 inches stud thread
Thread Direction
Right-hand nut thread
Thread Direction
Right-hand stud thread
Thread Length
0.625 inches nut thread
Thread Length
0.688 inches stud thread
Shank Diameter
Between 0.282 inches and 0.287 inches
Overall Length
1.812 inches
Thready Qty Per Inch (tpi)
16 stud thread
Thready Qty Per Inch (tpi)
24 nut thread
Hardness Rating
Between 30.0 rockwell c and 40.0 rockwell c
Thread Size
0.312 inches nut thread
Thread Size
0.375 inches stud thread
Material
Steel comp 1035 or steel comp 1040 or steel comp 1045
Surface Treatment
Cadmium
Surface Treatment Specification
Ams 2400 assn standard single treatment response
Style Designator
Stepped
Thread Series Designator
Unc stud thread
Thread Series Designator
Unf nut thread
ERNH2 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E418T112B Stud, Stepped 4 EA 06/28/2018
SPE5E418T267C Stud, Stepped 4 EA 09/11/2018
SPE5E419T3630 Stud, Stepped 13 EA 12/26/2018

Pricing and Availability

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ERNH291 Cross Reference
  • 9786E98-4
  • 9786E98-4