Naval Ship Systems Command · Electronic Components
40156-81-940KC
Crystal Unit, Quartz
Part Number40156-81-940KC
ManufacturerNaval Ship Systems Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-238-2015 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Specified Frequency81.940 MEGAHERTZ
Operating Temp Range-0.0 TO 75.0 CELSIUS
Style DesignatorROUND BODY, PIN TERMINALS
Mode Of OscillationFUNDAMENTAL
Body Length0.938 INCHES NOMINAL
Overall Diameter1.750 INCHES NOMINAL
Frequency Tolerance For Operating-0.040 TO 0.040
Center To Center Distance Between0.750 INCHES NOMINAL
Terminal Diameter0.125 INCHES NOMINAL
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 40156-81-940KC available?
We can source 40156-81-940KC 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 40156-81-940KC by Naval Ship Systems Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 40156-81-940KC 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 40156-81-940KC?
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 40156-81-940KC?
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.