3917TUBES, PIPES AND HOSES, AND FITTINGS THEREFOR (FOR EXAMPLE, JOINTS, ELBOWS, FLANGES), OF PLASTICS
HSN heading 3917 falls under Chapter 39 — plastics and articles thereof. It breaks down into 10 sub-codes listed below.
Sub-codes under 3917 (10)
391710
ARTIFICIAL GUTS (SAUSAGE CASINGS) OF HARDENED PROTEIN OR OF CELLULOSIC MATERIALS:
391721
OF POLYMERS OF ETHYLENE:
391722
OF POLYMERS OF PROPYLENE
391723
OF POLYMERS OF VINYL CHLORIDE :
391729
OF OTHER PLASTICS :
391731
FLEXIBLE TUBES, PIPES AND HOSES, HAVING A MINIMUM BURST PRESSURE OF 27.6 MPA
391732
OTHER, NOT REINFORCED OR OTHERWISE COMBINED WITH OTHER MATERIALS, WITHOUT FITTINGS :
391733
OTHER, NOT REINFORCED OR OTHERWISE COMBINED WITH OTHER MATERIALS, WITH FITTINGS
391739
OTHER:
391740
FITTINGS
About HSN heading 3917
The 4-digit code 3917 is an HSN heading — a mid-level grouping that breaks down further into 6-digit sub-headings and 8-digit tariff items. Choose the most specific sub-code that matches your supply so the GST rate, e-invoice schema, and GSTR-1 HSN summary all line up correctly. It sits inside Chapter 39, which covers plastics and articles thereof.