Mark Industries · Electronic Components
4021
Switch, Sensitive
Part Number4021
ManufacturerMark Industries
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-265-0222 (NSN)
Federal Item NameSWITCH,SENSITIVE
Federal Supply Class5930 — Switches
Power Loss In Decibels0.30
Design TypeBIDIRECTIONAL
Usage DesignMAIN LINE AND SECONDARY LINE TERMINAL FITTING
Overall Width1.300 INCHES NOMINAL
FSC Application DataANTENNAS,WAVEGUIES,AND RELATED EQUIPMENT
Unit TypeCOAXIAL LINE
Overall Height0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
Overall Length0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM
Criticality Code JustificationFEAT
Radio Frequency Rating7.16 GIGAHERTZ MINIMUM AND 10.1 GIGAHERTZ MAXIMUM
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 4021 available?
We can source 4021 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 4021 by Mark Industries obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4021 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 4021?
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 4021?
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.