1) STAINLESS STEEL HEX NIPPLE (STRAIGHT & BOTH ENDS WITH EXTERNAL THREAD) FOR PFS SYSTEM IN INDIAN RAILWAY LHB COACHES AS PER THE CAI RBL-MD46111-XII (Pt.1),Vol-1 dtd.02-01- 2024 ATTACHED, SIZE: 1/4 BSP, LENGTH = 30-35 MM, MATERIAL: SS 304 OR 316 SIZE CONFORMING TO IS:1239 (PART-2)- 2011. 2) STAINLESS STEEL HIGH PRESSURE ADJUSTABLE NON RETURN VALVE (NRV) WITH BOTH ENDS FEMALE SCREWED TYPE FOR PFS SYSTEM IN INDIAN RAILWAY LHB COACHES AS PER THE CAI RBLMD46111-XII (Pt.1),Vol-1 dtd.02-01- 2024