"4C/O 1 RETAINER,P/N 3150260-137-81AND 2 PADS,P/N3150260-137-89;RETAINER IS MADE FROM 0.063 IN TK ALUM ALLOY 6061,PER MIL SPEC QQ-A-250/11-T6,TREATEDW/CHEMICAL FILM PER MIL-C-5541/CLASS 1A,PRIMED PER TT-P-1727,PAINTED W/2 COATS PER TT-E-527;RETAINER IS 3.500 IN LG,0.820 IN W W/O ARMS,2.10 IN W/ARMS;ARMS ARE 0.500 IN W EA,ACCOMMODATES BELT TAKE-UP SPOOL;EA PAD IS 1.000 IN LGX 0.500 IN W X 0.125 IN THK,STRIP-N-STICK VARIETY,COHRLASTIC SILICON SPONGE RUBBER;2 MTG HOLES,OBLONG,0.250 IN WI X 0.40 IN LG"