Hiller Aircraft · Electronic Components
647-12238-030
Attenuator, Variable
Part Number647-12238-030
ManufacturerHiller Aircraft
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-442-3089 (NSN)
Federal Item NameATTENUATOR,VARIABLE
Federal Supply Class5985 — Antennas and Waveguides
Mounting Facility PatternFOUR POSITION RECTANGULAR
Overall Height1.797 INCHES NOMINAL
Body StyleWAVEGUIDE TYPE
Center To Center Distance Between1.218 INCHES NOMINAL
Waveguide Flange DesignationUG-136B/U
Adjustment Device Type And Quantit1 KNOB W/DIAL
Overall Length3.750 INCHES NOMINAL
Overall Attenuation Range In Decib+10.0 TO 27.0
Application DesignWAVEGUIDE
Attenuation Variation MethodCONTINUOUS
Mounting Facility Type And Quantit4 TERMINAL WITH MOUNTING HOLES
Vendor Part Numbers60545
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 647-12238-030 available?
We can source 647-12238-030 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 647-12238-030 by Hiller Aircraft obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 647-12238-030 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 647-12238-030?
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 647-12238-030?
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.