Naval Sea Systems Command · Electronic Components
521-6311581 ITEM NO 18
Circuit Card Assembly
Part Number521-6311581 ITEM NO 18
ManufacturerNaval Sea Systems Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5998-01-412-5594 (NSN)
Federal Item NameCIRCUIT CARD ASSEMBLY
Federal Supply Class5998 — Circuit Card Assemblies
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 521-6311581 ITEM NO 18 available?
We can source 521-6311581 ITEM NO 18 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 521-6311581 ITEM NO 18 by Naval Sea Systems Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 521-6311581 ITEM NO 18 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 521-6311581 ITEM NO 18?
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 521-6311581 ITEM NO 18?
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.