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NSN 5305-00-638-8504

Panel Assembly Fastener

About this product

0.175 inches fastener length, flat countersunk head style, 0.122 inches head diameter, shoulder diameter: 0.082 inches first shoulder and 0.069 inches first shoulder.

Manufacturer part number M1243 for national stock number 5305006388504.

Datasheet

  • Product description

    Shoulder Screw NSN 5305-00-638-8504.

  • MPN or Model

    M1243

  • Schedule B
    7415.33.8550 (Other copper screws (not for wood) bolts and nuts)
  • NMF (National Motor Freight)
    096630 - Screws NOI Brass/bronze/copper
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    0.070 inches
  • Fastener Length
    0.175 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    0.122 inches
  • Shoulder Diameter
    0.082 inches first shoulder and 0.069 inches first shoulder
  • Shoulder Length
    0.068 inches first shoulder and 0.015 inches first shoulder
  • Internal Drive Style
    Cross recess type 1
  • Thread Diameter
    0.073 inches
  • Thready Qty Per Inch (tpi)
    72
  • Countersink Angle
    82.0 degrees
  • Shoulder Shape
    Round first shoulder
  • Material
    Copper alloy 360
  • Material Specification
    Qq-b-626 federal specification single material response
  • Thread Series Designator
    Unf
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Shoulder Screw

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes bolt, internal wrenching and screw, cap, socket head.

Mechanic Bill explains Panel Assembly Fastener

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NSN 5305006388504

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
M1243 Aerosonic Llc
M1243 Aerosonic Corp
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