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NSN 5305-01-248-5731

Panel Screw

About this product

0.500 inches fastener length, flat countersunk undercut head style, 0.385 inches head diameter, head height: 0.080 inches .

Manufacturer part number 1217B0407 for national stock number 5305012485731.

Datasheet

  • Product description

    Externally Relieved Body Screw NSN 5305-01-248-5731.

  • MPN or Model

    1217B0407

  • 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.)
    0.2 lb
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    0.310 inches
  • Fastener Length
    0.500 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    0.385 inches
  • Head Height
    0.080 inches
  • Locking Feature
    Patch threads
  • First Diameter From Head
    0.134 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    0.110 inches
  • Internal Drive Style
    Cross recess type 1
  • Thread Diameter
    0.190 inches
  • Thready Qty Per Inch (tpi)
    24
  • Min. Tensile Strength (psi)
    80000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Externally Relieved Body Diameter Quantity
    1
  • Material
    Steel comp 302 fastener or steel comp 303 fastener or steel comp 304 fastener or steel comp 305 fastener or steel comp 316 fastener
  • Material Specification
    Fed-std66 federal standard all material responses fastener
  • Surface Treatment
    Passivate fastener
  • Surface Treatment Specification
    Mil-f-14072 military specification single treatment response fastener
  • 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 5305012485731

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1217B0407 Lockheed Martin Corporation
1213D1597FIND189 Lockheed Martin Corporation
1217B0407 Martin Marietta Technologies Inc
1213D1597FIND189 Martin Marietta Technologies Inc
Stock Check
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