31-4521-3

Technical Characteristics

• Seal Material

  rubber, silicone base

• Thread Class

  2b

• Seal Type

  gasket

• Nominal Thread Size

  0.438 inches

• Material

  brass

• Overall Diameter

  0.625 inches maximum

• Mounting Facility Type And Quantity

  1 threaded coupling

• Specification/Standard Data

  81349-mil-c-39012/25 government specification

• Thread Direction

  right-hand

• Attachment Feature Length

  2.250 inches nominal

• Furnished Items

  bead chain

• Style Designator

  internal thread w/chain or rope

• Thread Series Designator

  unef

• Size Designation

  tnc

• Eye Inside Diameter

  0.144 inches nominal

• Surface Treatment

  any acceptable

• Body Height

  0.718 inches maximum

• Thread Quantity Per Inch

  28

• ~1

  data on certain environmental and performanc

• Test Data Document

  81349-mil-c-39012 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type