Lockheed Martin Corp. · Electronic Components
4055149-00
Shielding Gasket, Electronic
Part Number4055149-00
ManufacturerLockheed Martin Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-136-4173 (NSN)
Federal Item NameSHIELDING GASKET,ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Cross Sectional Height0.020 INCHES NOMINAL
MaterialRUBBER SYNTHETIC ENVIRONMENTAL SEAL
Environmental Protection MaterialTHROUGHOUT RF SHIELDING GASKET
Cross Sectional Shape StyleEMI
Inside Corner Radius0.120 INCHES NOMINAL
Aperture Width1.520 INCHES MINIMUM AND 1.560 INCHES MAXIMUM
Aperture Length2.500 INCHES MINIMUM AND 2.540 INCHES MAXIMUM
Bolt Hole Quantity8
Overall Width2.240 INCHES NOMINAL
Hole Diameter0.187 INCHES NOMINAL
Overall Length4.500 INCHES NOMINAL
Cancelled NSN5330-00-439-1259 (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 4055149-00 available?
We can source 4055149-00 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 4055149-00 by Lockheed Martin Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4055149-00 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 4055149-00?
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 4055149-00?
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.