Lockheed Martin Librascope Corporation · Electronic Components
L356001257
Shielding Gasket, Electronic
Part NumberL356001257
ManufacturerLockheed Martin Librascope Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-170-3087 (NSN)
Federal Item NameSHIELDING GASKET,ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Environmental Protection MaterialTHROUGHOUT RF SHIELDING GASKET
Inside Corner Radius0.060 INCHES NOMINAL
Center To Center Distance Between1.910 INCHES NOMINAL
Style DesignatorNON-CIRCULAR
MaterialALUMINUM ALLOY 5056 EMI/RFI CONDUCTOR
Material Document And ClassificatiZZ-R-765,CLASS 2B,GRADE 25 FED SPEC SINGLE MATERIAL RESPONSE ENVIRONMENTAL SEAL
Cross Sectional Height0.062 INCHES NOMINAL
Aperture Length7.240 INCHES NOMINAL
Cross Sectional Shape StyleEMI
Bolt Hole Quantity14
Aperture Width5.240 INCHES NOMINAL
Vendor Part NumbersB4012785
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 L356001257 available?
We can source L356001257 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 L356001257 by Lockheed Martin Librascope Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If L356001257 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 L356001257?
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 L356001257?
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.