supply of set of pressure gauges for wag-7 / wap-4 electric locomotives. set consisting 04 items 08 nos as follows ( 1 ) 4 duplex air pressure gauge flush mounted ( ar-pr ) , range 0 to 14 kg. to rdso drg.no.sk.dp-3509, alt.3 with led arrangement to rdso drg. no. sk.dp-3518 alt.2 =02 nos ( 2 ) 4 ( 100 mm ) duplex air pressure gauge, self illuminated led type for mr and fp to rdso drg. no.sk.dp-3512 alt-3. & skdp-3518 alt.2, pressure gauge manufactured as per rdso inspection plan no.mp.tp.14 rev. 0 of july- 2000 with amendment no. 2 of june-2003. =02 nos.0 ( 3 ) 6 single pressure gauge with led ( flush mounted ) for brake pipe to rdso drg. no. sk.dp-3516 alt-3 & sk.dp-3518 alt.2, pressure gauge manufactured as per rdso inspection plan no.mp.tp.14 rev. 0 of july- 2000 with amendment no. 2 of june-2003. =02 nos. ( 4 ) 4 duplex pressure gauge marked bc 1 and bc 2 , range 0-05 kg / cm2 with union nut tail piece and washer to rdso drg. no sk.dp-3513 alt-4, pressure gauge manufactured as per rdso inspection plan no.mp.tp.14 rev. 0 of july- 2000 with amendment no. 2 of june-2003 = 02 nos [ warranty period: 30 months after the date of delivery ] => limited