Lockheed Martin Corporation · Electronic Components
811271
Crystal Unit, Quartz
Part Number811271
ManufacturerLockheed Martin Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-170-4131 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
MaterialPLASTIC COVER HOLDER
Style DesignatorRECTANGULAR BODY, PIN TERMINALS
Drive Level Rating10.0 MILLIWATTS NOMINAL
Center To Center Distance Between0.486 INCHES NOMINAL
Body Length1.125 INCHES NOMINAL
Mode Of OscillationFUNDAMENTAL
Circuit ResonanceSERIES RESONANCE
Terminal Length0.400 INCHES NOMINAL
Overall Thickness0.438 INCHES NOMINAL
Operating Temp Range-15.0 TO 80.0 CELSIUS
Overall Width0.812 INCHES NOMINAL
Cancelled NSN5955-00-642-8220 (cancelled)
ProducttraceabilityNo
RohscompliantTBA
IscanonicalY
Hazardousfalse
RohsphthalatescompliantTBA
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 811271 available?
We can source 811271 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 811271 by Lockheed Martin Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 811271 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 811271?
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 811271?
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.