Naval Sea Systems Command · Electronic Components
5550939-15
Shielding Gasket, Electronic
Part Number5550939-15
ManufacturerNaval Sea Systems Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-249-7550 (NSN)
Federal Item NameSHIELDING GASKET,ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
MaterialCOPPER ALLOY EMI/RFI CONDUCTOR
Style DesignatorNON-CIRCULAR
Surface TreatmentTIN EMI/RFI CONDUCTOR
Hole Diameter0.152 INCHES NOMINAL
Center To Center Distance Between1.500 INCHES NOMINAL
Outside Corner Radius0.309 INCHES NOMINAL
Aperture Diameter1.677 INCHES MINIMUM AND 1.692 INCHES MAXIMUM
Outside Edge To Bolt Hole Center D0.218 INCHES NOMINAL
Environmental Protection MaterialTHROUGHOUT RF SHIELDING GASKET
Bolt Hole Quantity4
Cross Sectional Shape StyleEMI
Vendor Part NumbersSSCG-A-20-W, T356 007 115
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 5550939-15 available?
We can source 5550939-15 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 5550939-15 by Naval Sea Systems Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 5550939-15 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 5550939-15?
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 5550939-15?
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.