US Army Aviation and Missile Command · Electronic Components
9998917
Shielding Gasket, Electronic
Part Number9998917
ManufacturerUS Army Aviation and Missile Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-495-4747 (NSN)
Federal Item NameSHIELDING GASKET,ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Outside Edge To Bolt Hole Center D0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM
Style DesignatorNON-CIRCULAR
Center To Center Distance Between1.474 INCHES NOMINAL
Aperture Width0.666 INCHES MINIMUM AND 0.796 INCHES MAXIMUM
Bolt Hole Quantity4
MaterialCOPPER EMI/RFI CONDUCTOR
ColorRED
Aperture Length0.512 INCHES MINIMUM AND 0.542 INCHES MAXIMUM
Overall Length1.850 INCHES MINIMUM AND 1.890 INCHES MAXIMUM
Outside Corner Bevel Length Along0.100 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
Overall Width1.850 INCHES MINIMUM AND 1.890 INCHES MAXIMUM
Vendor Part Numbers20-11-5020-1236
Cancelled NSN5999-00-857-2709 (cancelled)
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 9998917 available?
We can source 9998917 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 9998917 by US Army Aviation and Missile Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 9998917 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 9998917?
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 9998917?
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.