L3 Technologies, Inc. · Electronic Components
055988
Waveguide Assembly
Part Number055988
ManufacturerL3 Technologies, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-088-5419 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Cross Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULARINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Flange StyleCOVER TYPE SECOND FLANGE
Thread DirectionRIGHT-HAND FIRST FLANGE SINGLE CONNECTION FACILITYRIGHT-HAND FIRST FLANGE SINGLE CONNECTION FACILITY
Waveguide Inside Height0.396 INCHES MINIMUM AND 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM0.404 INCHES MAXIMUM
FlexibilityFLEXIBLE FIRST TUBING SEGMENT
Waveguide Inside Width0.896 INCHES MINIMUM AND 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM0.904 INCHES MAXIMUM
Flange Depth0.423 INCHES MINIMUM AND 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM SECOND FLANGE0.453 INCHES MAXIMUM SECOND FLANGE
Flange Inside Width0.896 INCHES MINIMUM AND 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM FIRST FLANGE0.904 INCHES MAXIMUM FIRST FLANGE
Nominal Thread Size0.164 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY0.164 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY
MaterialCOPPER ALLOY ALL FLANGE
Flange Inside Height0.396 INCHES MINIMUM AND 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM FIRST FLANGE0.404 INCHES MAXIMUM FIRST FLANGE
Vendor Part Numbers934F055988
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 055988 available?
We can source 055988 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 055988 by L3 Technologies, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 055988 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 055988?
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 055988?
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.