supply of items for mfr of summer head gear qty 530 nos--1 duck cotton kersey black 1500mm width fire retardant, flame spread class water resistant,rating 50 to 60, spry test is 390:1975 (proban) astm-d:1230:94note:cloth test report certificate to be produced for qa/qce inspection 2 lining cotton black 36 width sweat absorbing 3 nylon net black 0.4mm thk 1500mm width7 x 7 net/inch 4 leather basin brown/black, soft unstained 1.2mm thk is:580 5 leather cow curried black 0.6mm thk is 580 6 felt wool rot and moth proof grey 10mm thk medium hard is:1719 7 sponge rubber yellow 25mm thk medium hard 8 sponge rubber black 20mm thk medium hard 9 sponge rubber black 10mmthk medium hard 10 sewing thread black 200 mtrs coats sun art 3620 11 sewing thread black no a8961 tex 60 12 sewing cotton tiger tex 27/9 tkt2 13 sewing cotton 2mm dia black is 1726 14 buckle brass 13mm one prong with black colour coating 15 buckle brass 19mm one prong with c/plating 16 buckle brass self locking with brass roller type 13mm width black colour coating 17 press button set brass 10mm 18 button coat plastic black 15mm dia 19 throat microphone laryngaphone tech specifications:- (a) impedience at 1 khz-40ohms+/- 30 (b) efficiency at 300 hzat 3cm/sec=1.5m v to 4.5m v (c) efficiency 3000hz at 0.2cm/sec=not less than 1.7m v (d) insulation resistance=shall withstand 100vrms for 1 min 20 ear phone electrodynamictech specification:(a) impedience at 1 khz=300ohms+/-25 (b) freq response at 300 hz at 3400/hz=115+/-10db (c) hormonic distortion at 300 hz to 3400hz=shall not exceed 5(d) insulation resistance=not less than 20 meg ohms 21 shielded cable assy with 5 core (2 core individually shielded) with 5 pin connector plug as per sample 22 pvc moulded head phone ear muff set (bottom cap, top cover, rubber gasket, rubber bush, with steel screw csk head m3 x 10mm long-4 nos) to be procured through ex-trade as per drg/smp 23 valcrow tape set black 25mm width 24 lable (iinen cloth) 70mm x 40mm as per sample 25 aluminium collar (clip) for rf cable 10mm dia x 10mm long
