NSN 5306-00-638-3218

Bolt Flush Head

About this product

2.688 inches fastener length, bevel-conical head style, between 1.040 inches and 1.050 inches head diameter, head height: 0.625 inches .

Manufacturer part number MS20010-28 for national stock number 5306006383218.


  • Product description

    Internal Wrenching Bolt NSN 5306-00-638-3218.

  • MPN or Model


  • 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
  • Thread Direction
  • Thread Length
    0.938 inches
  • Fastener Length
    2.688 inches
  • Head Style
  • Head Diameter
    Between 1.040 inches and 1.050 inches
  • Head Height
    0.625 inches
  • Internal Drive Style
  • Thread Diameter
    0.625 inches
  • Width Across Flats
    Between 0.5005 inches and 0.5035 inches
  • Thready Qty Per Inch (tpi)
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Hardness Rating
    36.0 rockwell c and 40.0 rockwell c
  • Material
  • Surface Treatment
  • Thread Series Designator
More from these suppliers
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

Pricing and Availability

Get a quote for 5306-00-638-3218 internal wrenching bolt
Your Email:
Your Name:
Company Name:
Optional reference:
NSN 5306006383218

We do not share, sell, or distribute your information to any third party.
Privacy | Terms

All major credit cards accepted as well as gov. p-cards
Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MS20010-28 Military Standards
Stock Check
Availability for this item was last checked on 09/18/23. The quantities and conditions available at the time were:
  • NS: 46
  • NE: 547