Lockheed Martin Corp. · Electronic Components
B400
Circuit Card Assembly
Part NumberB400
ManufacturerLockheed Martin Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5998-01-455-5701 (NSN)
Federal Item NameCIRCUIT CARD ASSEMBLY
Federal Supply Class5998 — Circuit Card Assemblies
Vendor Part Numbers7381555-05
ESD/EMICode B — 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 B400 available?
We can source B400 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 B400 by Lockheed Martin Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B400 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 B400?
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 B400?
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.