L3 Technologies · Electronic Components
055978
Waveguide Assembly
Part Number055978
ManufacturerL3 Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-096-3685 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Flange Connecting Facility And Qua4 THREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES4 THREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES
Waveguide Outside Width1.000 INCHES NOMINAL1.000 INCHES NOMINAL
Flange StyleCHOKE TYPE FIRST FLANGECHOKE TYPE FIRST FLANGE
Flange Outside Height1.610 INCHES MINIMUM AND 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM FIRST FLANGE1.640 INCHES MAXIMUM FIRST FLANGE
Flange Inside Width1.003 INCHES MINIMUM AND 1.003 INCHES MINIMUM AND 1.006 INCHES MAXIMUM SECOND FLANGE1.006 INCHES MAXIMUM SECOND FLANGE
Insertion Loss In Decibels0.300.30
MaterialRUBBER CHLOROPRENE SINGLE TUBING SEGMENT
Waveguide Outside Height0.500 INCHES NOMINAL0.500 INCHES NOMINAL
Thread DirectionRIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIESRIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) FIRST FLANGE ALL CONNECTION FACILITIES
Flange Depth0.423 INCHES MINIMUM AND 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM FIRST FLANGE0.453 INCHES MAXIMUM FIRST FLANGE
Vendor Part NumbersTFT-64-4-B-9-N, 934C055978
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 055978 available?
We can source 055978 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 055978 by L3 Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 055978 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 055978?
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 055978?
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.