121673-4-13

Bolt

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Description:

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

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121673-4-13 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.283 inches minimum and 0.333 inches maximum
Fastener Length:
1.231 inches minimum and 1.251 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:
0.812 inches minimum and 0.828 inches maximum
Thready Qty Per Inch (tpi):
28
Hardness Rating:
36.0 rockwell c minimum overall and 43.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center:
1.131 inches minimum first hole and 1.161 inches maximum first hole
Surface Finish:
63.0 microinches bearing surface of head
Surface Finish:
63.0 microinches grip
Special Features:
Retaining element in shank
Material:
Steel comp e4340 overall or steel comp 4340 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,type 2,class 2 fed spec single treatment response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 1-1/4

Additional Information

SKU / Model: 121673413
NSN: 5306-01-052-5813
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
121673-4-13_Military-Fasteners-com.pdf
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More 121673 machine bolts

121673-4-104

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

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