Implemented Amendment to change PSC code from F101 to 4140. In need of a list of stainless steel duct parts equivalent to KB Duct. The parts are listed below with KB Duct part numbers. The clamps are forever clamps giving a compression seal to prevent leakage using a concave design and a buna gasket and made of 309 grade stainless steel. The ducting below is made of 304 grade stainless steel having rolled lips on each end to be clamped together. The sleeves are made of 304 stainless steel and are used to make up lengths needed on runs. The sleeve slides over the outside of the duct and with an o-ring is clamped to the duct. The elbows, reducers, caps and transitions are all made of 304 grade stainless steel and the gauges of the metal are given with each item needing that information.2 each 16 inch DIA END CAP, ROLLED LIP CONNECTION, STANDARD CLOSED END WITH HANDLE, Pn 19516SS 18 GA 1 each 16 inch DIA SR 45 DEG CLAMPED TOGETHER STAINLESS GORED ELBOW, Pn 12016.45SS 18 GA 4 each 16 inch DIA SR 90 DEG CLAMPED TOGETHER STAINLESS GORED ELBOW, Pn 12016.90SS 18 GA 4 each 16 INCH DIA X 11 INCH STANDARD ADJUSTABLE STAINLESS SLEEVE, Pn 11016SS 18 GA 33 each 16 inch DIA CLAMP TOGETHER STAINLESS DUCT, 5 foot SECTIONS, Pn 10016SS 18 GA 50 each 16 INCH DIA KB DUCT FOREVER CLAMP WITH BUNA-N SEALS, Pn 13016 1 each 16 INCH DIA X 12 INCH DIA CLAMP TOGETHER REDUCER WITH 12 inch DIA 45 DEG Pn 14016.45SS 16KB-12KB-12KB 2 each 12 INCH DIA SR 45 DEG CLAMPED TOGETHER STAINLESS GORED ELBOW, Pn 12312.45SS 22 GA 2 each 12 INCH DIA X 11 INCH STANDARD ADJUSTABLE STAINLESS SLEEVE, Pn 11012SS 22 GA 2 each 12 inch DIA CLAMP TOGETHER STAINLESS DUCT, 5 foot SECTIONS, Pn 10012SS 22 GA 10 each 12 inch DIA KB DUCT FOREVER CLAMP WITH BUNA-N SEALS, Pn 13012 1 each 16 inch TRANSITION 18 GA 304 SS 18x18 SQUARE TO ROUND KB EXCEL SPREADSHEET OF PARTS LIST ATTACHED