Narda Holdings · Electronic Components
642
Horn, Waveguide
Part Number642
ManufacturerNarda Holdings
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-976-3282 (NSN)
Federal Item NameHORN,WAVEGUIDE
Federal Supply Class5985 — Antennas and Waveguides
Overall Width4.671 INCHES NOMINAL
FSC Application DataANTENNAS,WAVEGUIDES AND RELATED EQUIP.
MaterialALUMINUM ALLOY
Connection MethodWAVEGUIDE FLANGE
Accommodated Conductor TypeWAVEGUIDE
Overall Length7.703 INCHES NOMINAL
Overall Height3.515 INCHES NOMINAL
Frequency Range Rating+5.4 TO 8.2 GIGAHERTZ
Vendor Part Numbers642XN
Cancelled NSN5985-01-397-6396 (cancelled)
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Surface TreatmentPAINT ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
Waveguide Length6.000 INCHES NOMINAL
Flange Quantity2
Style DesignatorSTRAIGHT TYPE
FlexibilityRIGID SINGLE TUBING SEGMENT
Terminal Quantity2
Voltage In Volts12.0
Terminal TypePOST W/BOLT TOP
ShapeRECTANGULAR W/ROUNDED CORNERS
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 642 available?
We can source 642 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 642 by Narda Holdings obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 642 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 642?
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 642?
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.