51B221-8

Screw

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Description:

Fastener Length: 49/64", Thread: 10-32, Thread Length: 9/32"

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51B221-8 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.276 inches minimum
Fastener Length:
0.761 inches minimum and 0.808 inches maximum
Head Style:
Modified pan
Head Diameter:
0.361 inches minimum and 0.381 inches maximum
Head Height:
0.103 inches minimum and 0.118 inches maximum
Grip Diameter:
0.1885 inches minimum and 0.1895 inches maximum
Internal Drive Style:
Offset cruciform (torque set)
Thread Diameter:
0.190 inches
Grip Length:
0.485 inches minimum and 0.515 inches maximum
Thready Qty Per Inch (tpi):
32
Min. Tensile Strength (psi):
180000 pounds per square inch
Surface Finish:
32.0 microinches grip
Material:
Steel comp 4140 overall or steel comp e4340 overall or steel comp 6150 overall or steel comp 8735 overall or steel comp 8740 overall
Material Specification:
Mil-s-5626 mil spec 1st material response overall or mil-s-5000 mil spec 2nd material response overall or mil-s-8503 mil spec 3rd material response overall or mil-s-6098 mil spec 4th material response overall or mil-s-6049 mil spec 5th material response overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Thread Series Designator:
Unf
Quick Specs
Thread Size 10
Thread Qty 32
Material Steel
Length 51/64

Additional Information

SKU / Model: 51B2218
NSN: 5305-00-802-4669
FSC: Screws / 5305
Product Series: 51B221
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
51B221-8_Military-Fasteners-com.pdf
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More 51B221 close tolerance screws

51B221-5

Fastener Length: 37/64", Thread: 10-32, Thread Length: 9/32"

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