K&L Microwave · Electronic Components
3811
Filter, Band Pass
Part Number3811
ManufacturerK&L Microwave
AvailabilityAvailable to order — request a quote
Specifications
NSN5915-01-316-0429 (NSN)
Federal Item NameFILTER,BAND PASS
Federal Supply Class5915 — Filters and Networks
FSC Application DataFILTER,RADIO FREQUENCY INTERFERENCE
Vendor Part Numbers425420-1
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 3811 available?
We can source 3811 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 3811 by K&L Microwave obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3811 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 3811?
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 3811?
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.