NAVAIR/NAVSEA Design Activity · Electronic Components
2891660-1
Crystal Unit, Quartz
Part Number2891660-1
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-01-029-7044 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Circuit ResonanceSERIES RESONANCE
Mode Of OscillationFUNDAMENTAL
Center To Center Distance Between0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
Equivalent Resistance Value In Ohm50.0 MAXIMUM
Style DesignatorBRACKET TYPE, WIRE LEADS
Drive Level Rating4.0 MILLIWATTS MINIMUM AND 6.0 MILLIWATTS MAXIMUM
Frequency Tolerance For Operating-0.005 TO 0.005
Body Length0.530 INCHES MAXIMUM
Specified Frequency4.000 MEGAHERTZ
Body Thickness0.150 INCHES MAXIMUM
Shunt Capacitance In Picofarads7.0 MAXIMUM
Vendor Part NumbersB-32-1
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 2891660-1 available?
We can source 2891660-1 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 2891660-1 by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2891660-1 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 2891660-1?
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 2891660-1?
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.