General Dynamics Defense Systems · Electronic Components
20520317-1
Shielding Gasket, Electronic
Part Number20520317-1
ManufacturerGeneral Dynamics Defense Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-413-7923 (NSN)
Federal Item NameSHIELDING GASKET,ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Overall Length10.429 INCHES MINIMUM AND 10.491 INCHES MAXIMUM
Aperture Width8.485 INCHES MINIMUM AND 8.515 INCHES MAXIMUM
MaterialPLASTIC POLYCARBONATE OR PLASTIC ACRYLIC OR PLASTIC METHYL METHACRYLATE ENVIRONMENTAL SEAL
Style DesignatorNON-CIRCULAR
Overall Width9.429 INCHES MINIMUM AND 9.491 INCHES MAXIMUM
Environmental Protection MaterialTHROUGHOUT RF SHIELDING GASKET
Cross Sectional Height0.175 INCHES MINIMUM AND 0.215 INCHES MAXIMUM
Aperture Length9.485 INCHES MINIMUM AND 9.515 INCHES MAXIMUM
Vendor Part Numbers71-01505
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 20520317-1 available?
We can source 20520317-1 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 20520317-1 by General Dynamics Defense Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 20520317-1 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 20520317-1?
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 20520317-1?
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.