Raytheon · Electronic Components
251998-1
Filter, Radio Frequency Interfere
Part Number251998-1
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5915-00-761-6597 (NSN)
Federal Item NameFILTER,RADIO FREQUENCY INTERFERE
Federal Supply Class5915 — Filters and Networks
Body Outside Diameter2.500 INCHES NOMINAL
Style DesignatorROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES
Maximum Dielectric Withstanding Ac500.0 VOLTS AT SEA LEVEL
Functional Terminal Type And Quant1 THREADED STUD OUTPUT SECOND FUNCTION
Output Impedance Per Function W So50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Mounting Facility Screw Thread SerUNEF
Nominal Thread Size1.125 INCHES
Operating Voltage Rating And Type440.0 VOLTS AC BLANK AND 440.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED
Input Impedance Per Function W Loa50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Inclosure TypeHERMETICALLY SEALED
Maximum Voltage Drop Per Function1.0 VOLTS AC BLANK LOCATION NOT OTHERWISE SPECIFIED
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 251998-1 available?
We can source 251998-1 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 251998-1 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 251998-1 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 251998-1?
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 251998-1?
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.