MS21250-08042

Military Standard Bolt

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Description:

Fastener Length: 3-13/32", Thread: 1/2-20, Thread Length: 49/64"

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MS21250-08042 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.758 inches minimum and 0.778 inches maximum
Fastener Length:
3.403 inches minimum and 3.423 inches maximum
Head Style:
Double hexagon extended washer
Head Height:
0.494 inches minimum and 0.514 inches maximum
Width Between Flats:
0.547 inches minimum and 0.562 inches maximum
Extended Washer Diameter:
0.818 inches minimum and 0.828 inches maximum
Extended Washer Thickness:
0.123 inches nominal
Grip Diameter:
0.4985 inches minimum and 0.4995 inches maximum
Thread Diameter:
0.500 inches
Grip Length:
2.740 inches minimum and 2.760 inches maximum
Thready Qty Per Inch (tpi):
20
Min. Tensile Strength (psi):
180000 pounds per square inch
Material:
Steel comp 4140 overall or steel comp 4340 overall or steel comp 6150 overall
Surface Treatment:
Cadmium overall
Surface Treatment Specification:
Qq-p-416,ty 11,cl 2 mil std single treatment response overall
Thread Series Designator:
Unjf
Specification Data:
96906-ms21250-08042 government standard
Quick Specs
Thread Size 1/2
Thread Qty 20
Material Steel
Length 3-27/64

Additional Information

SKU / Model: MS2125008042
NSN: 5306-01-273-2513
FSC: Bolts / 5306
Product Series: MS21250
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS21250-08042_Military-Fasteners-com.pdf
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I have built an airplane with parts from Military Fasteners. In the last years I have only had one issue involving warranty problems and that was resolved by the factory. Good service and quality parts/availability are very good at Military Fasteners.

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Great Customer Service very helpful...Packaged arrived almost the next day. How did you do that. Thank you again. will be doing business with you again soon !!!

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Fantastic service. Part ordered Monday. Received Wednesday Though customs etc and across America the North Atlantic then UK. Amazing well done and thanks.

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