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Naval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier · Electronic Components
178AS772
Shielding Gasket, Electronic
Part Number178AS772
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-165-3668 (NSN)
Federal Item NameSHIELDING GASKET,ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Bolt Hole Quantity12
Overall Length11.440 INCHES NOMINAL
Aperture Width7.120 INCHES NOMINAL
Aperture Length9.440 INCHES NOMINAL
MaterialRUBBER CHLOROPRENE CLASS CR ENVIRONMENTAL SEAL
Minor Height0.120 INCHES NOMINAL
Material Document And ClassificatiQQ-N-281,CLASSA FED SPEC SINGLE MATERIAL RESPONSE OR AMS 4730 FED SPEC SINGLE MATERIAL RESPONSE EMI/RFI CONDUCTOR
Hole Diameter0.468 INCHES NOMINAL
Outside Edge To Bolt Hole Center D0.560 INCHES NOMINAL
Inside Corner Radius0.060 INCHES NOMINAL
Cross Sectional Shape StyleMESH AND COMPOSITION
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 178AS772 available?
We can source 178AS772 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 178AS772 by Naval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 178AS772 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 178AS772?
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 178AS772?
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.