The Castair VA100J36 is a 1" JIC Female/Female x 36" metal flex hose — an extended-length flex line with JIC (37-degree flare) female fittings on both ends. This is a different animal from the standard NPT flex hoses in the Castair lineup. JIC fittings use a 37-degree flare seat for leak-free metal-to-metal sealing without thread sealant, and they're common in hydraulic and high-pressure pneumatic systems where NPT threads aren't appropriate or where repeated assembly and disassembly is expected. The 36-inch length is double the standard 18-inch flex hoses — this hose is for installations where the pump and tank are further apart, where routing requires more slack, or where the installation geometry creates alignment challenges that a shorter hose can't accommodate.
JIC vs. NPT — Understanding the Difference
This is not a universal flex hose. The JIC female/female configuration means both ends of this hose terminate in 37-degree flare female fittings that mate with male JIC fittings. You cannot thread a standard NPT male fitting into a JIC female port — the thread pitch and sealing geometry are incompatible. Before ordering this hose, confirm that your compressor installation actually has JIC fittings at both connection points.
- JIC fittings seal on a 37-degree metal-to-metal flare seat — no thread sealant needed or appropriate
- NPT fittings seal on tapered threads with thread sealant — a completely different system
- JIC is common on higher-pressure systems, hydraulic-adjacent compressor installations, and industrial applications
- If your compressor has NPT ports, you need the VA075, VA100, VA125, VA150, or VA200 series NPT hoses, not this one
When You Need the 36" Length
The standard 18-inch flex hoses work for most direct pump-to-tank installations. The VA100J36's 36-inch length serves specific situations:
- Remote-mounted pump configurations where the pump is not directly above the tank
- Installations with structural members, brackets, or other equipment between the pump outlet and tank inlet that require routing around obstacles
- Systems where the pump has been relocated from its original position
- High-vibration applications where extra hose length provides additional isolation buffer
- Replacement of a previously installed 36-inch hose in the same configuration
Key Features
- 1" JIC Female Fittings: 37-degree flare, female, both ends — metal-to-metal sealing without thread sealant
- 36" Length: Extended length for non-standard installation geometries or remote-mounted pump configurations
- Stainless Braided Construction: Braided stainless jacket over corrugated flex inner liner for high-pressure compressed air service
- OEM Castair Part: Factory-specification component for Castair systems requiring JIC connections
- Vibration and Misalignment Accommodation: Flexible length absorbs pump vibration and accommodates minor misalignment
Full Flex Hose Lineup — All Sizes
- VA075 ($59.29) — 3/4" NPT Male x 18"
- VA100 ($99.95) — 1" NPT Male x 18"
- VA050 ($46.59) — 1-1/2" NPT x 18"
- VA125 ($102.49) — 1-1/4" NPT x 18"
- VA150 ($111.80) — 1-1/2" NPT Male x 18"
- VA200 ($131.29) — 2" NPT Male x 18"
- VA100J36 ($203.28) — 1" JIC Female/Female x 36" (this part)
What's in the Box
- 1x Castair VA100J36 Metal Flex Hose — 1" JIC Female/Female x 36"
Technical Specifications
- Part Number: VA100J36
- Manufacturer: Cast Air / Castair
- Connection Type: 1" JIC Female (37-degree flare), both ends
- Length: 36 inches
- Category: Ball Valves / Flex Lines
- Price: $203.28
Pressure rating was not available from manufacturer data at time of writing. Confirm operating pressure compatibility before installation.
Why Buy From Air Compressor Factory Direct?
- Castair Parts Specialist: We can help you confirm whether your installation needs JIC or NPT fittings, and whether the 36-inch length is correct for your configuration
- Free Shipping: On qualifying orders to the contiguous US
- Free Tech Support: Call 866-217-0063 — JIC vs. NPT questions are common and we can sort it out quickly
- OEM Parts: Factory-specification Castair components
- Full Manufacturer Warranty: Backed by Castair's standard warranty
Call 866-217-0063 for quick answers and help!



