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

Setscrew

Model / MPN: 28700-4F-38D | NSN: 5305-01-270-2949
ITAR Registered seal

An externally threaded device whose threaded portion is of one diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Product Details
NATO Stock Number
5305-01-270-2949
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Fastener Length
Between 2.344 inches and 2.406 inches
Head Style
Headless (setscrew)
Point Style
Flat
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
0.125 inches
Thready Qty Per Inch (tpi)
28
Hardness Rating
45.0 rockwell c and 53.0 rockwell c
Material
Steel comp 4032 or steel comp 4037 or steel comp 4137 or steel comp 4140 or steel comp 8630 or steel comp 8740
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416 type 2 cl 2 federal specification single treatment response
Thread Series Designator
Unrf
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E217T7536 Setscrew 79 EA 03/22/2017
SPE5E217TD745 Setscrew 58 EA 08/17/2017
SPE5E219T4635 Setscrew 150 EA 01/25/2019
SPE5E220T3732 Setscrew 1075 EA 01/21/2020

Pricing and Availability

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28700-4F-38D Cross Reference
  • 94709-4F-38D
  • 28700