Part Number X2978DR Lock Washer

SKU: 5310000120930

X2978DR Lock Washer Datasheet

Hole Diameter:
Between 0.384 inches and 0.398 inches
Material Thickness:
Between 0.032 inches and 0.040 inches
Hardness Rating:
Between 40.0 rockwell c and 50.0 rockwell c
Material Specification:
Fed standard 66 federal standard single material response
Surface Treatment Specification:
QQ-P-416, type 2, cl 3 federal specification single treatment response
Style Designator:
Flat external teeth
Manufacturer Cage:
79410
Trade Information:
  • Schedule B: 7318210000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Spring washers and other lock washers, iron or steel

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