Rockwell Collins · Electronic Components
549-4177-004
Oscillator, Crystal Controlled
Part Number549-4177-004
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-944-2903 (NSN)
Federal Item NameOSCILLATOR,CRYSTAL CONTROLLED
Federal Supply Class5955 — Crystals and Oscillators
FSC Application DataPIEZOELECTRIC CRYSTALS
Basic Shape StyleIRREGULAR
External Dc Operating Voltage In V16.0 NOMINAL SINGLE VOLTAGE
Control TypeREMOTE
Frequency Per Channel142.5 KILOHERTZ NOMINAL OPERATING CHANNEL
Average Life MeasurementNOT RATED
Operating Control MethodAUTOMATIC
Overall Height0.843 INCHES NOMINAL
Overall Width1.281 INCHES NOMINAL
Overall Length1.875 INCHES NOMINAL
ESD/EMICode A — ESD/EMI sensitive item
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 549-4177-004 available?
We can source 549-4177-004 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 549-4177-004 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 549-4177-004 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 549-4177-004?
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 549-4177-004?
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.