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NW40 to 1-3/8" Quick Coupling
A: 1.39"
B: 2.1"

• NW40 to 1.38" Quick Connect Vacuum Coupling
• NW40 (KF40, QF40) Series Flange OD: Ø2.18"

• Compression type quick connect
• For tube connections & tubulated gauges
• 304 Stainless
Overstock Price
NW40-Q138 QF40XVC137 P104168 734032 K150XDS-138

NW40 Quick Coupling To 1-3/8" Tube Size

NW40-Q138-OSPrice: $165.00Overstock: $73.00

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Click to enlarge
138 Series (1-3/8") O-Ring, Viton

All NW40 Hardware

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Click to enlarge
NW Quick Couplings (ALL)

Quick Couplings (ALL)

NW40 Flange OD: 2.18"

***NW40 Flange Accessories Available Below***
NW40 Centering Rings
NW40 Clamps, All Types
NW40 Plastic Caps

Contact LDS with any questions:
Phone (407) 862-4643 via Fax (407) 862-8723 or

LDS Vacuum Products is a 100% woman owned company.
The logos and/or trademarks appearing on this page are not owned by or registered to LDS but, rather, designate products sold by LDS, and are owned and/or registered to the manufacturers or suppliers of the products.