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NSN 5305-01-278-9001

Panel Screw

About this product

0.812 inches fastener length, hexagon head style, 0.093 inches head height, width between flats: 0.250 inches .

Manufacturer part number 178C4115-P3 for national stock number 5305012789001.

Datasheet

  • Product description

    Externally Relieved Body Screw NSN 5305-01-278-9001.

  • MPN or Model

    178C4115-P3

  • 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
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    0.310 inches
  • Fastener Length
    0.812 inches
  • Head Style
    Hexagon
  • Head Height
    0.093 inches
  • Width Between Flats
    0.250 inches
  • First Diameter From Head
    0.102 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    0.452 inches
  • Internal Drive Style
    Cross recess type 1
  • Thread Diameter
    0.138 inches
  • Thready Qty Per Inch (tpi)
    32
  • Externally Relieved Body Diameter Quantity
    1
  • Material
    Steel
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Qq-p-416, type 2, class 2 federal specification single treatment response
  • Thread Series Designator
    Unc
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Externally Relieved Body Screw

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also bolt, externally relieved body and bolt, internal wrenching.

Mechanic Bill explains Panel Screw

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NSN 5305012789001

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
178C4115-P3 Bae Systems Controls Inc.
178C4115-P3 Bae Systems Controls Inc.
178C4115-P3 Bae Systems Controls Inc.
178C4115-P3 Bae Systems Controls Inc.
178C4115-P3 Bae Systems Controls Inc.
178C4115-P3 Bae Systems Controls Inc.
178C4115-P3 Bae Systems Controls Inc.
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