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NationalStockNumber.INFO

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

Setscrew

Model / MPN: B18.6.2 1/4-20UNC 2A X 1/2 LGCUP | NSN: 5305-00-010-2870
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
5305-00-010-2870
Sold in multiples of
EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.469 inches and 0.500 inches
Fastener Length
Between 0.469 inches and 0.531 inches
Head Style
Square
Head Height
Between 0.178 inches and 0.196 inches
Width Between Flats
Between 0.241 inches and 0.250 inches
Point Style
Cup
Internal Drive Style
W/o internal drive
Thread Diameter
0.250 inches
Features Provided
Casehardened
Thready Qty Per Inch (tpi)
20
Hardness Rating
30.0 rockwell c and 37.0 rockwell c
Material
Steel comp 1010 or steel comp 1020
Material Specification
66 federal standard all material responses or sae j403 uns g10100 through g10200 assn standard all material responses
Supplementary Features
Natural fin. Unplated/uncoated
Thread Series Designator
Unc
Specification Data
81348-ff-s-210 government specification and 80204-ansi b18.6.2 professional/industrial association standard and 24617-102870 manufacturers standard and 11757-500568 manufacturers standard
Nondefinitive Specification/std Data
1 type and 4 style and 1/4.In size and 1/2in. Length and 4 table
B18.6.2 1/4 Series Parts

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B18.6.2 1/4-20UNC 2A X 1/2 LGCUP Cross Reference
  • ANSI B18.6.2TABL4 1/4UNC2AX1/2CU
  • FF-S-210
  • 500568-4
  • 500568-4
  • 102870
  • 102870
  • 102870