Print Back
Unilok male adapters have one tube stub end that is inserted into a tube fitting and one male NPT end to connect to a female NPT port.
Tube fitting male adapter
Tube fitting male adapter
Unit of Measure
1 2 3 4 

Item #

Body Material

Connection 1 - Type

Connection 1 - Size

Connection 2 - Type

Connection 2 - Size

ISSU3MA2 N/A 316 SS N/A Tube Stub N/A 3/16 in N/A MNPT N/A 1/8 in
ISSU3MA4 N/A 316 SS N/A Tube Stub N/A 3/16 in N/A MNPT N/A 1/4 in
ISSU4MA2 N/A 316 SS N/A Tube Stub N/A 1/4 in N/A MNPT N/A 1/8 in
ISSU4MA4 N/A 316 SS N/A Tube Stub N/A 1/4 in N/A MNPT N/A 1/4 in
ISSU4MA6 N/A 316 SS N/A Tube Stub N/A 1/4 in N/A MNPT N/A 3/8 in
ISSU4MA8 N/A 316 SS N/A Tube Stub N/A 1/4 in N/A MNPT N/A 1/2 in
ISSU5MA4 N/A 316 SS N/A Tube Stub N/A 5/16 in N/A MNPT N/A 1/4 in
ISSU6MA2 N/A 316 SS N/A Tube Stub N/A 3/8 in N/A MNPT N/A 1/8 in
ISSU6MA4 N/A 316 SS N/A Tube Stub N/A 3/8 in N/A MNPT N/A 1/4 in
ISSU6MA6 N/A 316 SS N/A Tube Stub N/A 3/8 in N/A MNPT N/A 3/8 in
ISSU6MA8 N/A 316 SS N/A Tube Stub N/A 3/8 in N/A MNPT N/A 1/2 in
ISSU8MA4 N/A 316 SS N/A Tube Stub N/A 1/2 in N/A MNPT N/A 1/4 in
ISSU8MA6 N/A 316 SS N/A Tube Stub N/A 1/2 in N/A MNPT N/A 3/8 in
ISSU8MA8 N/A 316 SS N/A Tube Stub N/A 1/2 in N/A MNPT N/A 1/2 in
IBU16MA12 N/A Brass N/A Tube Stub N/A 1 in N/A MNPT N/A 3/4 in
IBU3MA4 N/A Brass N/A Tube Stub N/A 3/16 in N/A MNPT N/A 1/4 in
IHCU10MA8 N/A Alloy C-276 N/A Tube Stub N/A 5/8 in N/A MNPT N/A 1/2 in
IHCU12MA12 N/A Alloy C-276 N/A Tube Stub N/A 3/4 in N/A MNPT N/A 3/4 in
IHCU12MA8 N/A Alloy C-276 N/A Tube Stub N/A 3/4 in N/A MNPT N/A 1/2 in
IHCU16MA12 N/A Alloy C-276 N/A Tube Stub N/A 1 in N/A MNPT N/A 3/4 in
IHCU16MA16 N/A Alloy C-276 N/A Tube Stub N/A 1 in N/A MNPT N/A 1 in
IHCU2MA2 N/A Alloy C-276 N/A Tube Stub N/A 1/8 in N/A MNPT N/A 1/8 in
IHCU2MA4 N/A Alloy C-276 N/A Tube Stub N/A 1/8 in N/A MNPT N/A 1/4 in
IHCU3MA2 N/A Alloy C-276 N/A Tube Stub N/A 3/16 in N/A MNPT N/A 1/8 in
IHCU3MA4 N/A Alloy C-276 N/A Tube Stub N/A 3/16 in N/A MNPT N/A 1/4 in
Unit of Measure
1 2 3 4