Special Features
Frame construction: eyewire base metal of monel 400 (except pad parts/temple screws) containing not less than 66% nickel; base metal plated w/min of 50 millionths inch of gold electroplate; temple butt is phosphorus bronze; cable windings, 3 layers, with 18% nickel-silver core/monel 400; nose pads vinyl acetate or vinyl butyrate; pad inserts pure nickel, rhodium plated; endpiece monoblock/bridge 18%nickel-silver; temple screws stainless steel/gold in color; pad arm similar base metal content to eyewire; thickness of electroplate measured only on significant surfaces; surface gloss high polished finish; design/dimensions shall conform to dscp drawing 24438
Bridge Material
Nickel silver
Bridge Surface Treatment
Any acceptable
Part Name Assigned By Controlling Agency
Frame spectacle cable temples 48eye 22bridge b5 double bar