1-321-802-5889

NSN 5305-00-917-8988

Button Head Socket Screw

About this product

0.312 inches fastener length, flat countersunk head style, between 0.207 inches and 0.225 inches head diameter, locking feature: patch threads or detent ball threads.

Manufacturer part number LL505-4-5 for national stock number 5305009178988.

Datasheet

  • Product description

    Socket Head Cap Screw NSN 5305-00-917-8988.

  • MPN or Model

    LL505-4-5

  • 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
    0.312 inches
  • Fastener Length
    0.312 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.207 inches and 0.225 inches
  • Locking Feature
    Patch threads or detent ball threads
  • Internal Drive Style
    Cross recess type 1
  • Thread Diameter
    0.112 inches
  • Thready Qty Per Inch (tpi)
    40
  • Countersink Angle
    Between 80.0 degrees and 82.0 degrees
  • Material
    Steel
  • Surface Treatment
    Cadmium
  • Thread Series Designator
    Unc
Socket Head Cap Screw

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Mechanic Bill explains Button Head Socket Screw

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NSN 5305009178988

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
LL505-4-5 Long-lok Fasteners Corporation
LL22H40SJ5 Long-lok Fasteners Corporation
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