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MS20009-20

View detailed technical data, stock status, and sourcing information for: MS20009-20

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MS20009-20
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-638-3156
Item Name Code
06666
Assigment Date
01/01/1963 (63 years ago)

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.

3a thread class, bevel-conical head style, 0.850 inches minimum and 0.900 inches maximum thread length, 2.110 inches minimum and 2.140 inches maximum fastener length, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
3a
Thread Direction
right-hand
Thread Length
0.850 inches minimum and 0.900 inches maximum
Fastener Length
2.110 inches minimum and 2.140 inches maximum
Head Style
bevel-conical
Head Diameter
0.928 inches minimum and 0.938 inches maximum
Head Height
0.562 inches nominal
Internal Drive Style
hexagon
Nominal Thread Diameter
0.562 inches
Width Across Flats
0.438 inches minimum and 0.441 inches maximum
Thread Quantity Per Inch
18
Minimum Tensile Strength
160000 pounds per square inch
Hardness Rating
34.0 rockwell c minimum and 40.0 rockwell c maximum overall
Material
steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
Material Document And Classification
mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416 type 2 class 3 fed spec all treatment responses overall
Thread Series Designator
unf

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
MS20009-20 Internal Wrenching Bolt

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5306-00-638-3156?
The FSCG of the NSN 5306-00-638-3156 is 5306
Does the NSN 5306-00-638-3156 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-638-3156 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5306-00-638-3156 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-638-3156 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5306-00-638-3156 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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