Lockheed Martin Librascope Corporation · Electronic Components
L356001238
Shielding Gasket, Electronic
Part NumberL356001238
ManufacturerLockheed Martin Librascope Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-170-3083 (NSN)
Federal Item NameSHIELDING GASKET,ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Outside Edge To Bolt Hole Center D0.225 INCHES NOMINAL
Material Document And ClassificatiZZ-R-765,CLASS 2B,GRADE 40 FED SPEC SINGLE MATERIAL RESPONSE ENVIRONMENTAL SEAL
Surface TreatmentCOPPER AND TIN EMI/RFI CONDUCTOR
MaterialRUBBER SILICONE CLASS Q ENVIRONMENTAL SEAL
Surface Treatment Document And ClaASTM-B-227 ASSN STD 1ST TREATMENT RESPONSE AND MIL-W-3861 MIL SPEC 2ND TREATMENT RESPONSE EMI/RFI CONDUCTOR
Overall Width11.700 INCHES NOMINAL
Environmental Protection MaterialAROUND RF SHIELDING GASKET APERTURE
Aperture Width10.510 INCHES NOMINAL
Minor Width0.125 INCHES NOMINAL
Overall Length16.850 INCHES NOMINAL
Bolt Hole Quantity12
Vendor Part NumbersB4012781
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 L356001238 available?
We can source L356001238 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 L356001238 by Lockheed Martin Librascope Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If L356001238 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 L356001238?
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 L356001238?
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.