Microwave Engineering · Electronic Components
LS40-NBL
Adapter, Waveguide
Part NumberLS40-NBL
ManufacturerMicrowave Engineering
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-110-2968 (NSN)
Federal Item NameADAPTER,WAVEGUIDE
Federal Supply Class5985 — Antennas and Waveguides
Adapter Height3.735 INCHES MINIMUM AND 3.765 INCHES MAXIMUM
Coaxial Connector Series DesignatiN
Flange Depth1.000 INCHES NOMINAL SINGLE FLANGE
Flange Connecting Facility And Qua10 UNTHREADED HOLE(S) SINGLE FLANGE ALL CONNECTION FACILITIES
Adapter Overall Height3.735 INCHES MINIMUM AND 3.765 INCHES MAXIMUM
Flange Outside Height3.735 INCHES MINIMUM AND 3.765 INCHES MAXIMUM SINGLE FLANGE
Waveguide Outside Width3.554 INCHES MINIMUM AND 3.566 INCHES MAXIMUM
MaterialALUMINUM ALLOY 6061 SINGLE TUBING SEGMENT AND FLANGE
Flange Connecting Hole Diameter0.259 INCHES MINIMUM AND 0.269 INCHES MAXIMUM SINGLE FLANGE ALL CONNECTION FACILITIES
Surface TreatmentCHROMATE AND ENAMEL SINGLE TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
Flange StyleCONTACT TYPE SINGLE FLANGE
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is LS40-NBL available?
We can source LS40-NBL even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is LS40-NBL by Microwave Engineering obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LS40-NBL has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like LS40-NBL?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for LS40-NBL?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.