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Stop collars prevent overtightening of tube fittings by mechanically restricting the advancement of the tube fitting nut at the maximum required to create a leak-tight seal.

O-ring Face Seal Connector
Unit of Measure
1 2 

Item #

CAD

Body Material

Component Type

Tube Size

ISSU2SC N/A CAD Icon (for items table) N/A 316 SS N/A Stop Collar N/A 1/8 in
ISSU3SC N/A CAD Icon (for items table) N/A 316 SS N/A Stop Collar N/A 3/16 in
ISSU4SC N/A CAD Icon (for items table) N/A 316 SS N/A Stop Collar N/A 1/4 in
ISSU5SC N/A CAD Icon (for items table) N/A 316 SS N/A Stop Collar N/A 5/16 in
ISSU6SC N/A CAD Icon (for items table) N/A 316 SS N/A Stop Collar N/A 3/8 in
ISSU8SC N/A CAD Icon (for items table) N/A 316 SS N/A Stop Collar N/A 1/2 in
ISSU10SC N/A CAD Icon (for items table) N/A 316 SS N/A Stop Collar N/A 5/8 in
ISSU12SC N/A CAD Icon (for items table) N/A 316 SS N/A Stop Collar N/A 3/4 in
ISSU14SC N/A CAD Icon (for items table) N/A 316 SS N/A Stop Collar N/A 7/8 in
ISSU16SC N/A CAD Icon (for items table) N/A 316 SS N/A Stop Collar N/A 1 in
IHCU2SC N/A CAD Icon (for items table) N/A Alloy C-276 N/A Stop Collar N/A 1/8 in
IHCU3SC N/A CAD Icon (for items table) N/A Alloy C-276 N/A Stop Collar N/A 3/16 in
IHCU4SC N/A CAD Icon (for items table) N/A Alloy C-276 N/A Stop Collar N/A 1/4 in
IHCU5SC N/A CAD Icon (for items table) N/A Alloy C-276 N/A Stop Collar N/A 5/16 in
IHCU6SC N/A CAD Icon (for items table) N/A Alloy C-276 N/A Stop Collar N/A 3/8 in
IHCU8SC N/A CAD Icon (for items table) N/A Alloy C-276 N/A Stop Collar N/A 1/2 in
IHCU10SC N/A CAD Icon (for items table) N/A Alloy C-276 N/A Stop Collar N/A 5/8 in
IHCU12SC N/A CAD Icon (for items table) N/A Alloy C-276 N/A Stop Collar N/A 3/4 in
IHCU14SC N/A CAD Icon (for items table) N/A Alloy C-276 N/A Stop Collar N/A 7/8 in
IHCU16SC N/A CAD Icon (for items table) N/A Alloy C-276 N/A Stop Collar N/A 1 in
IMU2SC N/A CAD Icon (for items table) N/A Alloy 400 N/A Stop Collar N/A 1/8 in
IMU3SC N/A CAD Icon (for items table) N/A Alloy 400 N/A Stop Collar N/A 3/16 in
IMU4SC N/A CAD Icon (for items table) N/A Alloy 400 N/A Stop Collar N/A 1/4 in
IMU5SC N/A CAD Icon (for items table) N/A Alloy 400 N/A Stop Collar N/A 5/16 in
IMU6SC N/A CAD Icon (for items table) N/A Alloy 400 N/A Stop Collar N/A 3/8 in
Unit of Measure
1 2