Rockwell Collins · Electronic Components
277-0508-020
Oscillator, Crystal Controlled
Part Number277-0508-020
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-01-130-8643 (NSN)
Federal Item NameOSCILLATOR,CRYSTAL CONTROLLED
Federal Supply Class5955 — Crystals and Oscillators
Overall Height0.500 INCHES NOMINAL
Operating Temp Range-55.0 TO 125.0 CELSIUS
Identification Designator277-0508-020-13499
Environmental ProtectionMOISTURE PROOF AND SALT SPRAY RESISTANT AND SHOCK RESISTANT AND VIBRATION
Circuit Construction TypeSOLID STATE
Maximum Operating Altitude Rating70000.000 FEET
Connection TypePRINTED CIRCUIT BOTTOM
Overall Length0.887 INCHES MAXIMUM
Vibration Resistance Range In Hert+1.0 TO 10.0
Storage Temp Range-55.0 TO 125.0 CELSIUS
Connection Contact Type And Quanti14 PRINTED CIRCUIT EXTERNAL
Vendor Part NumbersK1100AM, 277-0508-20
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 277-0508-020 available?
We can source 277-0508-020 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 277-0508-020 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 277-0508-020 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 277-0508-020?
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 277-0508-020?
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.