121673-4-104

Bolt

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Description:

Fastener Length: 6-15/16", Thread: 1/4-28, Thread Length: 21/64"

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121673-4-104 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.282 inches minimum and 0.333 inches maximum
Fastener Length:
6.918 inches minimum and 6.938 inches maximum
Head Style:
Dished hexagon
Head Height:
0.126 inches minimum and 0.141 inches maximum
Width Between Flats:
0.430 inches minimum and 0.439 inches maximum
Grip Diameter:
0.2483 inches minimum and 0.2492 inches maximum
Shank Unthreaded Hole Diameter:
0.076 inches minimum first hole and 0.086 inches maximum first hole
Thread Diameter:
0.250 inches
Grip Length:
6.500 inches minimum and 6.516 inches maximum
Thready Qty Per Inch (tpi):
28
Hardness Rating:
36.0 rockwell c minimum overall and 41.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center:
6.818 inches minimum first hole and 6.848 inches maximum first hole
Surface Finish:
63.0 microinches bearing surface of head
Surface Finish:
63.0 microinches grip
Special Features:
Detent ring in shank
Material:
Steel comp e4340 overall or steel comp 4140 overall or steel comp 8740 overall or steel comp 4130 overall or steel comp 6150 overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416 ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator:
Unjf
Specification Data:
76301-st3-735 manufacturers standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 6-15/16

Additional Information

SKU / Model: 1216734104
NSN: 5306-01-077-0171
FSC: Bolts / 5306
Product Series: 121673
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
121673-4-104_Military-Fasteners-com.pdf
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More 121673 machine bolts

121673-4-13

Fastener Length: 1-1/4", Thread: 1/4-28, Thread Length: 21/64"

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