Mission Systems Davenport Inc. · Electronic Components
1559
Electronic Components Assembly
Part Number1559
ManufacturerMission Systems Davenport Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5998-00-020-0254 (NSN)
Federal Item NameELECTRONIC COMPONENTS ASSEMBLY
Federal Supply Class5998 — Circuit Card Assemblies
Attenuation Variation MethodSTEPPED
Impedance Rating In Ohms15.0 INPUT-OUTPUT
Step Position Quantity10
Mounting Thread Quantity32 PER INCH
Frequency Range0.000 KILOHERTZ MINIMUM AND 20.000 KILOHERTZ MAXIMUM
Mounting Facility Nominal Screw Th0.375 INCHES
Overall Diameter2.250 INCHES NOMINAL
Bushing Length0.500 INCHES NOMINAL
Mounting Facility Type And Quantit1 THREADED BUSHING
Application DesignAUDIO
Mounting Facility Screw Thread SerUNEF
Mounting Bolt Circle Diameter3.875 INCHES NOMINAL
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Special MarkingsRED LINE AT 7.8 DB
ColorUNABLE TO DECODE
Style DesignatorROUND FLUSH MTG
Meter Depth Behind Mounting Flange1.000 INCHES NOMINAL
Meter Body Diameter Behind Mountin3.500 INCHES NOMINAL
Circuit Current For Which DesignedDC
Mounting Arrangement StyleSIX HOLE/STUD BOLT CIRCLE
Circuit Attachment Method And Quan2 THREADED STUD
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 1559 available?
We can source 1559 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 1559 by Mission Systems Davenport Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1559 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 1559?
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 1559?
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.