Front and temples-eyewire base metal of monel 400 (except pad parts, temple screws) containing not less that 66% nickel. Base metal be plated with min 50 millionth inch (1.270 microns) gold electroplate. Nickel subplating to base metal allowed. Temple butt phosphorus bronze. Cable winding be 3 layers with 18% nickel-silver core, final layer widing of monel 400. Alternate for gold plating, 20 millionth inch (0.508) gold electroplate with clear polymer protective coating allowed.Nose pads be vinyl acetate or vinyl butyrate. Cable tiemple covers not required. Pad insert be pure nickel, rhodium plated. Endpiece monoblock and bridge be 18%nickle-silver. Temple screws be stainless steel, gold color. Pad arm have similar base metal content wi min 1.270 microns of gold electroplate. Alternate: 0.508 micron gold eletroplate wwith polymer coating. Surface gloss be high polished finish. Conform to dscp drawing 24438.
Classification: Parts for frames and mountings, spectacles, goggles or the like
NSN 6620-00-924-4369
NSN 5950-00-887-0180
NSN 5930-01-273-4272
NSN 6105-01-521-2070
NSN 6150-01-322-8524
NSN 5985-01-441-9894
NSN 6240-00-913-4243
NSN 5998-01-502-9026
NSN 5975-01-196-4990
NSN 6645-01-462-3754
NSN 6145-01-634-0388
NSN 5990-01-517-7848