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NSN 5305-01-336-2988

High Torque Screw

About this product

Between 1.313 inches and 1.343 inches fastener length, flat countersunk head style, between 0.449 inches and 0.507 inches head diameter, grip diameter: between 0.2485 inches and 0.2495 inches .

Manufacturer part number 03A174-4-12A for national stock number 5305013362988.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-336-2988.

  • MPN or Model

    03A174-4-12A

  • Schedule B
    8109.90.0000 (Zirconium and articles thereof nesoi)
  • NMF (National Motor Freight)
    136500 - Metal NOI/metal Alloys NOI
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.553 inches and 0.603 inches
  • Fastener Length
    Between 1.313 inches and 1.343 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.449 inches and 0.507 inches
  • Grip Diameter
    Between 0.2485 inches and 0.2495 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 0.740 inches and 0.760 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches
  • Material
    Titanium alloy uns r56400
  • Material Specification
    Ams 4928 assn standard single material response or ams 4967 assn standard single material response
  • Surface Treatment
    Aluminum
  • Surface Treatment Specification
    Nas 4006 assn standard single treatment response
  • Thread Series Designator
    Unjf
More from these suppliers
Close Tolerance Screw

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Mechanic Bill explains High Torque Screw

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
03A174-4-12A Northrop Grumman Technical Services,
03A174-4-12A Northrop Grumman Systems Corporation
SLB146-4-12A Space-lok, Inc.
T009-4-12A Huck International, Inc.
03A174-4-12A Northrop Grumman Systems Corporation
AIC1652-4-12A Sps Technologies, Llc
SC3102-4-12A Arconic Global Fasteners & Rings,
PBF1417-4-12A Sps Technologies, Llc
HR240-4-12A Hi-shear Corporation
123743-4-12A Sps Technologies, Llc
HR240-4-12A Lisi Aerospace Canada Corp
03A174-4-12A Sps Technologies Inc
T009-4-12A Huck Intl Inc
03A174-4-12A Northrop Grumman Systems Corporation
Stock Check
Availability for this item was last checked on 03/21/23. The quantities and conditions available at the time were:
  • NE: 1436