NAS1640-416

Lock Washer

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Description:

NAS1640-416 Lock Washer

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NAS1640-416 Datasheet Features and Specification

Hole Diameter:
0.255 inches minimum and 0.263 inches maximum
Outside Diameter:
0.489 inches nominal
Material Thickness:
0.062 inches nominal
Hardness Rating:
35.0 rockwell c minimum and 43.0 rockwell c maximum
Material:
Steel comp 420 overall
Material Specification:
66 fed std all material responses overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Qq-p-35 fed spec single treatment response overall
Style Designator:
Split helical-right hand

Additional Information

SKU / Model: NAS1640416
NSN: 5310-00-087-3055
FSC: Nuts and Washers / 5310
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 100
ECCN: EAR99
National Motor Freight: 194160, Washer Or Gaskets, Iron Or Steel,
Download PDF Version
NAS1640-416_Military-Fasteners-com.pdf
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