The Swagelok SS-812-1K is a 316 stainless steel knurled female nut designed for 1/2 in. tube fittings. This fitting is engineered to enhance manual assembly precision and grip, ensuring secure, leak-tight tube connections in systems that experience high vibration or demand critical maintenance reliability.

Knurled Female Nuts

The knurled nut enhances manual assembly precision and grip, ensuring secure, leak-tight tube connections in high-vibration or maintenance-critical systems.

Specifications

Specification	Value
Body Material	316 Stainless Steel
Cleaning Process	Standard Cleaning and Packaging (SC-10)
Connection 1 Size	1/2 in.
Connection 1 Type	Female Swagelok® Tube Fitting
Flow Restrictor	No
eClass (4.1)	37020718
eClass (5.1.4)	37020590
eClass (6.0)	23110700
eClass (6.1)	37020590
eClass (10.1)	37020590
UNSPSC (4.03)	27121706
UNSPSC (10.0)	31181503
UNSPSC (11.0501)	31181503
UNSPSC (13.0601)	31401700
UNSPSC (15.1)	31401700
UNSPSC (17.1001)	31161729

Safety Information

The complete catalog contents must be reviewed to ensure that the system designer and user make a safe product selection. When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user.

Do not mix/interchange Swagelok products or components not governed by industrial design standards, including Swagelok tube fitting end connections, with those of other manufacturers.