Schroff · Electronic Components
21B-3-6-3
Holder, Electrical Card
Part Number21B-3-6-3
ManufacturerSchroff
AvailabilityAvailable to order — request a quote
Specifications
NSN5998-01-386-3066 (NSN)
Federal Item NameHOLDER,ELECTRICAL CARD
Federal Supply Class5998 — Circuit Card Assemblies
Overall Width0.190 INCHES NOMINAL
MaterialCOPPER ALLOY 172
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES
Overall Height0.120 INCHES NOMINAL
Surface TreatmentCADMIUM
Unthreaded Mounting Hole Diameter0.067 INCHES NOMINAL ALL MOUNTING FACILITIES
Overall Length3.000 INCHES NOMINAL
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 21B-3-6-3 available?
We can source 21B-3-6-3 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 21B-3-6-3 by Schroff obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21B-3-6-3 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 21B-3-6-3?
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 21B-3-6-3?
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.