MS21083B4

Military Standard Locknut

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Description:

Thread Size: 1/4", Nut Height: 7/32", Head Width: 27/64

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MS21083B4 Datasheet Features and Specification

Thread Class:
3b
Thread Direction:
Right-hand
Locking Feature:
Prevailing torque with nonmetallic insert
Lubrication:
Soluble lubricant
Nut Style:
Hexagon
Nut Height:
0.219 inches maximum
Width Across Flats:
0.430 inches minimum and 0.439 inches maximum
Tempurature Rating:
250.0 deg fahrenheit maximum
Thread Series:
Unf
Thready Qty Per Inch (tpi):
28
Thread Size:
0.250 inches
Countersink Angle:
88.0 degrees minimum nut
Bearing Surface Type:
Chamfered or washer faced
Bearing Surface Finish:
125.0 microinches
Material:
Copper alloy nut
Material:
Plastic polyamide channel
Surface Treatment:
Cadmium overall except insert and chromate overall except insert
Surface Treatment Specification:
Qq-p-416,ty 2,cl 2 fed spec all treatment responses overall except insert
Quick Specs
Thread Size 1/4
Thread Qty 28

Additional Information

SKU / Model: MS21083B4
NSN: 5310-00-936-9642
FSC: Nuts and Washers / 5310
Product Series: MS21083B
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5
Schedule B: 7318.16.0085
ECCN: EAR99
National Motor Freight: 139820, Nickel Bolts / Nails / Nuts / Rivets Etc
Download PDF Version
MS21083B4_Military-Fasteners-com.pdf
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More MS21083B locknuts

MS21083B6

Thread Size: 3/8", Nut Height: 9/32", Head Width: 35/64"

MS21083B06

Thread Size: 1/8in., Nut Height: 9/64in., Head Width: 5/16in.

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