FOR USE WITH SAMPLE TUBE (AST 4636-1)
CENTER NECK IS A THREADED CONNECTOR WITH COMPRESSION FITTING
WHICH ELIMINATES NEED FOR PTFE ADAPTER FOR AIR TUBE (AST 4636-3)
TOP JOINT SIZES: #7 THREADED CONNECTOR (CENTER) 10/30 OUTER (ADJACENT) 24/40 OUTER (ADJACENT)
BOTTOM JOINT SIZE: 71/60 INNER
METHOD(S): ASTM D4636, D5968, D6594, FTM 791-5307
