MS21250-04044

Military Standard Bolt

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Description:

Fastener Length: 3-17/64", Thread: 1/4-28, Thread Length: 17/32"

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MS21250-04044 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.492 inches minimum and 0.532 inches maximum
Fastener Length:
3.252 inches minimum and 3.272 inches maximum
Head Style:
Double hexagon w/hole
Head Height:
0.300 inches nominal
Width Between Flats:
0.312 inches nominal
Extended Washer Diameter:
0.428 inches minimum and 0.438 inches maximum
Extended Washer Thickness:
0.069 inches nominal
Grip Diameter:
0.2485 inches minimum and 0.2495 inches maximum
Thread Diameter:
0.250 inches
Grip Length:
2.740 inches minimum and 2.760 inches maximum
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
180000 pounds per square inch
Hardness Rating:
39.0 rockwell c minimum overall and 43.0 rockwell c maximum overall
Material:
Steel comp e4340 overall or steel comp 4140 overall or steel comp 8740 overall or steel comp 6150 overall
Surface Treatment:
Cadmium overall and chromate overall
Surface Treatment Specification:
Qq-p-416 ty2 cl2 fed spec single treatment response overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 3-17/64

Additional Information

SKU / Model: MS2125004044
NSN: 5306-01-048-1128
FSC: Bolts / 5306
Product Series: MS21250
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 7318.15.8085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
MS21250-04044_Military-Fasteners-com.pdf
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