Lockheed Martin · Electronic Components
1211677-201
Waveguide Assembly
Part Number1211677-201
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-394-5367 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Cross Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Flange StyleCHOKE TYPE ALL FLANGES
FlexibilityFLEXIBLE FIRST TUBING SEGMENT
Flange Inside Height1.334 INCHES MINIMUM AND 1.346 INCHES MAXIMUM ALL FLANGES
Thread DirectionRIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES
Flange Inside Width2.834 INCHES MINIMUM AND 2.846 INCHES MAXIMUM ALL FLANGES
Waveguide Offset Distance8.990 INCHES MINIMUM AND 9.010 INCHES MAXIMUM
Waveguide Longer Offset Distance12.115 INCHES MINIMUM AND 12.135 INCHES MAXIMUM
MaterialALUMINUM ALLOY ALL FLANGE
Nominal Thread Size0.250 INCHES ALL FLANGES ALL CONNECTION FACILITIES
Surface TreatmentCHROMATE ALL FLANGE OUTSIDE SURFACES
Vendor Part Numbers232147
ESD/EMICode A — ESD/EMI sensitive item
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 1211677-201 available?
We can source 1211677-201 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 1211677-201 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1211677-201 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 1211677-201?
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 1211677-201?
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.