NSN 5305-01-339-5003

Adjustment Screw Valve

About this product

Between 0.739 inches and 0.761 inches fastener length, headless (setscrew) head style, strip threads locking feature, point length: 0.178 inches .

Manufacturer part number NAS1081C4A12L for national stock number 5305013395003.

Picture of NSN 5305-01-339-5003


  • Product description

    Setscrew NSN 5305-01-339-5003.

  • MPN or Model


  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
  • Thread Direction
  • Fastener Length
    Between 0.739 inches and 0.761 inches
  • Head Style
    Headless (setscrew)
  • Locking Feature
    Strip threads
  • Point Length
    0.178 inches
  • Point Style
  • Internal Drive Style
  • Thread Diameter
    0.250 inches
  • Width Across Flats
    Between 0.125 inches and 0.127 inches
  • Thready Qty Per Inch (tpi)
  • Hardness Rating
    45.0 rockwell c and 53.0 rockwell c
  • Point Chamfer Angle
    90.0 degrees
  • Material
    Steel comp 303
  • Material Specification
    Ams 5640 assn standard single material response
  • Surface Treatment
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response
  • Thread Series Designator
  • Specification Data
    80205-nas1081 professional/industrial association standard

An externally threaded device whose threaded portion is of one nominal 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.

Mechanic Bill explains Adjustment Screw Valve

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NSN 5305013395003

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1081C4A12L National Aerospace Standards
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