Systems Analysis and Research · Electronic Components
TST391A
Circuit Card Assembly
Part NumberTST391A
ManufacturerSystems Analysis and Research
AvailabilityAvailable to order — request a quote
Specifications
NSN5998-01-152-2217 (NSN)
Federal Item NameCIRCUIT CARD ASSEMBLY
Federal Supply Class5998 — Circuit Card Assemblies
Criticality Code JustificationCBBL
Features ProvidedELECTROSTATIC SENSITIVE
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 TST391A available?
We can source TST391A 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 TST391A by Systems Analysis and Research obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TST391A 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 TST391A?
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 TST391A?
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.