Stainless Steel Duolok Tube Fitting, 0.38 Inch Tube OD Nut

Description & Features

SSP Duolok stainless tube fittings deliver reliable and leak-proof connections in various instrumentation and process tubing systems. The double ferrule design accommodates variations in tubing materials hardness and wall thickness ensuring tight connections across numerous applications.

Interchangeability with the Swagelok brand of tube fittings allows for versatile integration. These fittings are gaugeable during initial installation adhering to stringent manufacturing and quality control standards.

Constructed from type 316 stainless steel these fittings meet ASTM A-276 and ASTM A-479 standards while shaped bodies are forged from close-grained 316 stainless steel per ASTM A-182. Certified material test reports are available for all heat code traceable components.

Duolok tube fittings generally match the maximum allowable working pressures of compatible stainless steel tubing but note that some specially designed fittings may have lower pressure ratings. This product functions effectively over a wide temperature range although higher temperatures may reduce maximum pressure capabilities. For detailed assembly instructions refer to the provided technical documentation.

MPN: {{ecc_mpn}}

Supplier Part Number: ISSD6N

Specifications

Brand
Ssp Fittings Corp
Brand
SSP Fittings Corp
Pack Size
1.00
UOM
EA
G
0.69
L
0.56
Supplier Part Number
ISSD6N
T
0.38
Alternate Part Numbers
Alternate Part Number C1FP35, Alternate Part Number MI-08750244, Alternate Part Number MINO-00766X89735, Alternate Part Number SS-602-1
Product Weight
0.03 lbs

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Product Questions & Answers (1)

Question by: Howard M on Mar 14, 2026, 11:14 AM
got a 3/8 inch stainless instrument tube, is this the right nut for that duolok setup?
Answer by: Customer Support on Mar 15, 2026, 6:07 PM
For a 3/8 inch tube OD connection, this nut matches the Duolok size marked T 0.38. It is part of SSP’s Duolok double ferrule tube fitting system and is made from 316 stainless steel.