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NSN 5305-01-292-8354

Panel Screw

About this product

0.438 inches fastener length, flat countersunk head style, between 0.143 inches and 0.172 inches head diameter, locking feature: patch threads.

Manufacturer part number S20880 for national stock number 5305012928354.

Datasheet

  • Product description

    Externally Relieved Body Screw NSN 5305-01-292-8354.

  • MPN or Model

    S20880

  • 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
    0.115 inches
  • Fastener Length
    0.438 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.143 inches and 0.172 inches
  • Locking Feature
    Patch threads
  • First Diameter From Head
    0.055 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    0.250 inches
  • Point Style
    Flat
  • Internal Drive Style
    Cross recess type 1
  • Thread Diameter
    0.086 inches
  • Thready Qty Per Inch (tpi)
    56
  • Countersink Angle
    100.0 degrees
  • Externally Relieved Body Diameter Quantity
    1
  • Color
    Black
  • Material
    Steel comp 321
  • Material Specification
    Qq-s-763 cl 8 ty a federal specification single material response
  • Surface Treatment
    Oxide
  • Surface Treatment Specification
    Mil-c-13924 cl 4 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 5305012928354

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
S20880 Nylok Corporation
704AS8865 Naval Air Systems Command
898865-1 Raytheon Company
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