- Cross-Sectional Shape Style
- Rectangular
- Hole Diameter
- 13.3 millimeters minimum and 13.5 millimeters maximum
- Peripheral Shape Style
- Round
- Center Hole Shape Style
- Round
- Thickness
- 2.3 millimeters minimum and 2.7 millimeters maximum
- Overall Diameter
- 20.5 millimeters minimum and 21.0 millimeters maximum
- Hardness Rating
- 24.0 rockwell C minimum and 35.0 rockwell C maximum or 247.0 rockwell B minimum and 327.0 rockwell B maximum
- Part Name Assigned BY Controlling Agency
- Washer, flat, AMS-5525, metric
- Special Features
- Precipitation heat treat per AMS-2759/3; hardness also 260-345 hv
- Material
- Steel corrosion resisting overall
- Material Document and Classification
- AMS-5525 assn std single material response overall
- Surface Treatment
- Passivate overall
- Surface Treatment Document and Classification
- MA1784 fed std single treatment response overall
Catalogue data is compiled from public DLA/FLIS sources and is provided for
identification. Availability, condition and certification are confirmed on
quotation. OmniSynk Distribution Services is a stocking distributor.