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Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
B4042252-4
Shielding Gasket, Electronic
Part NumberB4042252-4
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-327-6697 (NSN)
Federal Item NameSHIELDING GASKET,ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Center To Center Distance Between1.048 INCHES MINIMUM AND 1.078 INCHES MAXIMUM
Outside Corner Radius0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
Cross Sectional Shape StyleEMI
Material Document And ClassificatiQQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OR AMS-4183 NATIONAL SPEC SINGLE MATERIAL RESPONSE EMI/RFI CONDUCTOR
MaterialRUBBER CHLOROPRENE CLASS CR ENVIRONMENTAL SEAL
Style DesignatorNON-CIRCULAR
Overall Width1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM
Aperture Diameter1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM
Hole Diameter0.130 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
Environmental Protection MaterialTHROUGHOUT RF SHIELDING GASKET
Overall Length1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM
Vendor Part Numbers42-00921, 04-0802-6798
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 B4042252-4 available?
We can source B4042252-4 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 B4042252-4 by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B4042252-4 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 B4042252-4?
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 B4042252-4?
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.