• Buna (Buna-N, Nitrile, NBR) O-Ring
• 100°C Maximum
• NW40 (KF40, QF40) High Vacuum Hardware
PACK OF 25
NW40 (KF40) Stainless Centering Ring with Buna (Nitrile NBR) O-Ring Assembly
Fits NW40 (KF40) Flange OD: Ø2.18"
• NW40 Flange Centering Ring Counter Bore: 1.62"
NW40 High Vacuum Flange Equivalents
KF40, KF-40, K150, NW-40, QF40, ISO-QF
NW40-150-SR-B-OS NW40-150-SRB-PK25 NW40-150-SR-B-PK25
| LDS will be CLOSED due to Hurricane Ian|
Wednesday, September 28, 2022 and will
Reopen on Friday, September 30, 2022
Weather and Utilities Permitting
Contact LDS Vacuum 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.