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NSN 5306-01-053-9319

Bolt Flush Head

About this product

Externally relieved portion 0.100in. Lg at tip of thread end;concentrichole through threaded portion to accomodate retaining clip-locking feature.

Manufacturer part number CA21037-6-4HS for national stock number 5306010539319.

Datasheet

  • Product description

    Internal Wrenching Bolt NSN 5306-01-053-9319.

  • MPN or Model

    CA21037-6-4HS

  • 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.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.840 inches
  • Fastener Length
    1.210 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    0.375 inches
  • Locking Feature
    Slotted concentric hole
  • Internal Drive Style
    Hexagon
  • End Application
    An/ale-40
  • Thread Diameter
    0.375 inches
  • Width Across Flats
    0.141 inches
  • Features Provided
    Retaining clip
  • Thready Qty Per Inch (tpi)
    24
  • Countersink Angle
    100.0 degrees
  • Externally Relieved Body Diameter Quantity
    1
  • Material
    Steel comp 631 locking feature
  • Material Specification
    Mil-s-5626 military specification single material response or mil-s-6049 military specification single material response
  • Surface Treatment
    Passivate locking feature
  • Surface Treatment Specification
    Qq-p-416, type 2, class 2 federal specification single treatment response
  • Thread Series Designator
    Unf
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Internal Wrenching Bolt

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

Mechanic Bill explains Bolt Flush Head

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
CA21037-6-4HS Arconic Global Fasteners & Rings,
120000-6-4 Monadnock Company, The
135932-0001 Bae Systems Information And
C9537-6-4 Lockheed Martin Corporation
Stock Check
Availability for this item was last checked on 03/22/24. The quantities and conditions available at the time were:
  • NE: 750
  • NS: 18
  • AR: 1