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NSN 5305-00-115-6250

Panel Screw

About this product

Between 3.110 inches and 3.140 inches fastener length, hexagon extended washer head style, between 0.160 inches and 0.178 inches head height, width between flats: between 0.245 inches and 0.250 inches .

Manufacturer part number 20-143 for national stock number 5305001156250.

Datasheet

  • Product description

    Externally Relieved Body Screw NSN 5305-00-115-6250.

  • MPN or Model

    20-143

  • 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.)
    1.4 lb
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.735 inches and 0.795 inches
  • Fastener Length
    Between 3.110 inches and 3.140 inches
  • Head Style
    Hexagon extended washer
  • Head Height
    Between 0.160 inches and 0.178 inches
  • Width Between Flats
    Between 0.245 inches and 0.250 inches
  • Extended Washer Diameter
    Between 0.390 inches and 0.410 inches
  • Extended Washer Thickness
    Between 0.015 inches and 0.202 inches
  • First Diameter From Head
    Between 0.166 inches and 0.172 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    Between 2.345 inches and 2.375 inches
  • Internal Drive Style
    Slot
  • Thread Diameter
    0.190 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    90000 pounds per square inch
  • Externally Relieved Body Diameter Quantity
    1
  • Material
    Steel comp 1020
  • Material Specification
    66 federal standard single material response
  • Surface Treatment
    Chromate
  • Surface Treatment Specification
    135410027 fscm 94990 mfr ref single treatment response
  • Thread Series Designator
    Unf
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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 5305001156250

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
20-143 General Dynamics Mission Systems,
3B41741A09 General Dynamics Mission Systems,
50711 Crane Pumps & Systems, Inc.
3B41741A09 Motorola Inc.
20-143 Motorola Inc.
Stock Check
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