NAS680A4K

Two Lug Locknut Plate

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Description:

Thread Size: 1/4", Nut Length: 1-1/4", Nut Height: 9/32

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NAS680A4K Datasheet Features and Specification

Thread Class:
3b
Thread Direction:
Right-hand
Locking Feature:
Prevailing torque all metal design
Counterbore Diameter:
0.254 inches minimum nut
Lubrication:
Dry film lubricant
Mounting Hole Diameter:
0.098 inches minimum and 0.103 inches maximum
Nut Style:
Plate
Nut Length:
1.260 inches maximum
Nut Height:
0.281 inches maximum
Plate Thickness:
0.055 inches maximum
Plate Width:
0.375 inches minimum and 0.414 inches maximum
Nut Counterbore Depth:
0.062 inches minimum nut
Nut Mounting Provision:
Countersunk holes
Mounting Provision Location:
Opposite nut projection side
Mounting Hole Arrangement Style:
2 holes
Distance From Aperture Center To Mounting Hole Center:
0.495 inches minimum and 0.505 inches maximum
Center To Center Distance Between Mounting Holes Along Length:
0.998 inches minimum and 1.002 inches maximum
Tempurature Rating:
450.0 deg fahrenheit maximum
Thread Series:
Unjf
Thready Qty Per Inch (tpi):
28
Hardness Rating:
49.0 rockwell c maximum
Thread Size:
0.250 inches
Mounting Hole Countersink Angle:
98.0 degrees minimum and 102.0 degrees maximum
Material:
Steel overall
Surface Treatment:
Cadmium overall
Surface Treatment Specification:
Qq-p-416 fed spec single treatment response overall
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel

Additional Information

Alternate Part Numbers

SKU / Model: NAS680A4K
NSN: 5310-00-779-7124
FSC: Nuts and Washers / 5310
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10
Schedule B: 7318.16.0085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS680A4K_Military-Fasteners-com.pdf
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Thread Size: 3/16", Nut Length: 15/16", Nut Height: 1/4"

NAS680A08K

Thread Size: 5/32", Nut Length: 15/16", Nut Height: 1/4"

NAS680A08

Thread Size: 5/32in., Nut Length: 15/16in., Nut Height: 1/4in., 5310-00-619-5729

NAS680A06K

Thread Size: 1/8", Nut Length: 15/16", Nut Height: 5/32"

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