Electric Boat · Electronic Components
H677-2301-423
Shielding Gasket, Electronic
Part NumberH677-2301-423
ManufacturerElectric Boat
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-498-0689 (NSN)
Federal Item NameSHIELDING GASKET,ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Overall Height0.062 INCHES NOMINAL
MaterialRUBBER SILICONE CLASS Q ENVIRONMENTAL SEAL
Material Document And ClassificatiQQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE EMI/RFI CONDUCTOR
Style DesignatorRECTANGULAR
Center To Center Distance Between3.700 INCHES NOMINAL
Overall Width1.500 INCHES NOMINAL
Overall Length16.670 INCHES NOMINAL
Environmental Protection MaterialTHROUGHOUT RF SHIELDING GASKET
Bolt Hole Quantity5
Cross Sectional Shape StyleWIRE AND COMPOSITION
Cross Sectional Height0.062 INCHES NOMINAL
Vendor Part NumbersH677-2301-123
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 H677-2301-423 available?
We can source H677-2301-423 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 H677-2301-423 by Electric Boat obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If H677-2301-423 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 H677-2301-423?
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 H677-2301-423?
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.