Kritech Corporation · Electronic Components
4021-2018
Shielding Gasket, Electronic
Part Number4021-2018
ManufacturerKritech Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-351-5573 (NSN)
Federal Item NameSHIELDING GASKET,ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Outside Edge To Bolt Hole Center D0.121 INCHES NOMINAL
Material Document And ClassificatiZZ-R-765 FED SPEC SINGLE MATERIAL RESPONSE ENVIRONMENTAL SEAL
MaterialRUBBER SILICONE CLASS Q ENVIRONMENTAL SEAL
Style DesignatorNON-CIRCULAR
Hole Diameter0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
Overall Length1.540 INCHES MINIMUM AND 1.570 INCHES MAXIMUM
Overall Width0.785 INCHES MINIMUM AND 0.815 INCHES MAXIMUM
Aperture Length1.064 INCHES MINIMUM AND 1.084 INCHES MAXIMUM
Aperture Width0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM
Cross Sectional Shape StyleEMI
Environmental Protection MaterialTHROUGHOUT RF SHIELDING GASKET
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 4021-2018 available?
We can source 4021-2018 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 4021-2018 by Kritech Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4021-2018 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 4021-2018?
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 4021-2018?
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.