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NSN 5305-01-040-5589

Panel Screw

About this product

Between 0.531 inches and 0.562 inches fastener length, pan head style, between 0.256 inches and 0.270 inches head diameter, head height: between 0.087 inches and 0.097 inches .

Manufacturer part number 6866644-2 for national stock number 5305010405589.

Datasheet

  • Product description

    Externally Relieved Body Screw NSN 5305-01-040-5589.

  • MPN or Model

    6866644-2

  • 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)
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.210 inches and 0.230 inches
  • Fastener Length
    Between 0.531 inches and 0.562 inches
  • Head Style
    Pan
  • Head Diameter
    Between 0.256 inches and 0.270 inches
  • Head Height
    Between 0.087 inches and 0.097 inches
  • First Diameter From Head
    Between 0.090 inches and 0.093 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    Between 0.321 inches and 0.342 inches
  • Internal Drive Style
    Slot
  • Thread Diameter
    0.138 inches
  • Thready Qty Per Inch (tpi)
    32
  • Externally Relieved Body Diameter Quantity
    1
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Steel comp 302 or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 309 or steel comp 310 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347
  • Material Specification
    Qq-s-763 federal specification all material responses
  • Surface Treatment
    Oxide
  • Surface Treatment Specification
    Mil-c-13924, cl 3 military 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 5305010405589

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
6866644-2 Lockheed Martin Corporation
6866644-2 Lockheed Martin Corporation
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