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NSN 5305-01-286-8551

Captive Screw

About this product

1.035 inches fastener length, flat countersunk head style, 0.400 inches head diameter, internal drive style: tri-wing recess.

Manufacturer part number LSTW79V12B7 for national stock number 5305012868551.

Datasheet

  • Product description

    Panel Screw Assembly NSN 5305-01-286-8551.

  • MPN or Model

    LSTW79V12B7

  • Schedule B
    8108.90.8000 (Other wrought titanium, nesoi)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.843 inches
  • Fastener Length
    1.035 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    0.400 inches
  • Internal Drive Style
    Tri-wing recess
  • Material Accommodated Thickness
    Between 0.090 inches and 0.125 inches
  • Thread Diameter
    0.1900 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    100.0 degrees
  • Material
    Stainless steel stand-off
  • Material Specification
    Mil-s-23195 military specification single material response stand-off
  • Surface Treatment
    Cadmium stand-off
  • Thread Series Designator
    Unf
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Panel Screw Assembly

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

Mechanic Bill explains Captive Screw

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NSN 5305012868551

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
LSTW79V12B7 Huck Intl Inc
S-843 Huck Intl Inc
LSTW79V12B7 Huck International, Inc.
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