MS9218-12

Military Standard Machine Bolt

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Description:

Fastener Length: 7/8", Hole Diameter: 5/64", Thread: 1/4-28, Thread Length: 47/64",

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MS9218-12
MS9218-12
MS9218-12
MS9218-12
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MS9218-12 Datasheet Features and Specification

Extended Washer Diameter:
0.438 inches
Extended Washer Thickness:
Between 0.060 inches and 0.070 inches
Fastener Length:
0.875 inches
Features Provided:
Finished head
Grip Length:
Between 0.125 inches and 0.145 inches
Hardness Rating:
42.0 rockwell c and 46.0 rockwell c
Head Height:
0.330 inches
Head Style:
Double hexagon w/hole
Hole Configuration Style:
Hexagon longitudinal hole
Hole Diameter:
0.070 inches
Hole Quantity:
4
Hole Type:
Drilled
Material:
Steel comp 601
Material Specification:
Ams 6304 assn standard single material response
Min. Tensile Strength (psi):
195000 pounds per square inch
Thread Diameter:
0.250 inches
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Surface Treatment:
Cadmium
Surface Treatment Specification:
Ams 2416 assn standard single treatment response
Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
Between 0.730 inches and 0.750 inches
Thread Qty Per Inch (tpi):
28
Thread Series Designator:
Unjf (fine thread with external controlled root radius)
Width Between Flats:
Between 0.305 inches and 0.313 inches
Quick Specs
Thread Size 1/4
Thread Qty 28
Thread Series UNJF
Thread Class 3A
Material Steel
Length 7/8

Additional Information

SKU / Model: MS921812
NSN: 5306-00-947-4250
FSC: Bolts / 5306
Product Series: MS9218
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS9218-12_Military-Fasteners-com.pdf
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More MS9218 machine bolts

MS9218-29

Fastener Length: 1-7/8", Hole Diameter: 1/16", Thread: 1/4-28, Thread Length: 51/64"

MS9218-26

Fastener Length: 1-3/4", Hole Diameter: 1/16", Thread: 1/4-28, Thread Length: 13/16"

MS9218-23

Fastener Length: 1-9/16", Hole Diameter: 1/16", Thread: 1/4-28, Thread Length: 13/16"

MS9218-20

Fastener Length: 1-3/8in., Thread: 1/4-28, Thread Length: 13/16in.

MS9218-17

Fastener Length: 1-3/16", Hole Diameter: 1/16", Thread: 1/4-28, Thread Length: 51/64"

MS9218-16

Fastener Length: 1-1/8", Hole Diameter: 1/16", Thread: 1/4-28, Thread Length: 51/64"

Product Image Gallery

Product code MS9218-12
MS9218-12
MS9218-12
MS9218-12
MS9218-12

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Recently my avionics technician and I were installing a component in my aircraft and there were some critical fasteners missing from the manufactures package. This stopped the entire process. I called Military Fasteners after finding the parts on line, and Trisha answered the phone. I told her the situation and that I needed them ASAP. I found the parts gave her the part number and she confirmed they were in stock. This was about 430 in the afternoon just before closing. Trisha was kind and professional got the parts out the door that evening even though it was after the shipping cut off. Saved the day. I can tell you this entire company is represented by Trisha, anything they can do to help you out of a jamb they will absolutely go the extra mile and Trisha is the go to person. I am sure there are others there with her same attitude and professionalism. This is a great resource for all your fasteners needs.

5.0

The products sent allowed the repair to be completed in a timely manner. Thank you for Military Fasteners being there and having parts available to allow our vintage aircraft to continue flight.

5.0

When I need materials for a project Military Fasteners provides the selection, prices and great shipping speed and rates that I need.

4.0

Keep on keepin' on! Living in Nova Scotia puts me in somewhat of an aviation backwater where getting aviation hardware can be a bit of a nightmare. Military Fasteners resolves most of the angst and dealing with the friendly and helpful staff I find there resolves the rest.

5.0