Lockheed Martin · Electronic Components
FS1R
Oscillator, Pulse Delay
Part NumberFS1R
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-136-1387 (NSN)
Federal Item NameOSCILLATOR,PULSE DELAY
Federal Supply Class5955 — Crystals and Oscillators
FSC Application DataTEST SET,HOMING SET,RADAR
Frequency Per Channel4.9 GIGAHERTZ MINIMUM OPERATING CHANNEL AND 5.1 GIGAHERTZ MAXIMUM OPERATING CHANNEL
Calibration FunctionFREQUENCY
Circuit Construction TypeSOLID STATE
Operating Temp Range+0.0 TO 55.0 CELSIUS
Maximum Operating Altitude Rating50000.0 FEET
Basic Shape StyleRECTANGULAR OR SQUARE
Inclosure TypeENCASED
Average Life MeasurementNOT RATED
Overall Length3.000 INCHES NOMINAL
Overall Height1.580 INCHES NOMINAL
Vendor Part NumbersR360169-1
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 FS1R available?
We can source FS1R 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 FS1R by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If FS1R 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 FS1R?
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 FS1R?
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.