DLA Weapons Support (Columbus) · Electronic Components
LO4403
Shielding Gasket, Electronic
Part NumberLO4403
ManufacturerDLA Weapons Support (Columbus)
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-342-3920 (NSN)
Federal Item NameSHIELDING GASKET,ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Inside Corner Radius0.030 INCHES MAXIMUM
Outside Edge To Bolt Hole Center D0.180 INCHES MINIMUM AND 0.220 INCHES MAXIMUM
Overall Width1.200 INCHES NOMINAL
Criticality Code JustificationZZZY
Reference Number Differentiating CREFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY C
MaterialRUBBER SILICONE CLASS Q ENVIRONMENTAL SEAL
Style DesignatorNON-CIRCULAR
Center To Center Distance Between2.680 INCHES MINIMUM AND 2.720 INCHES MAXIMUM
Environmental Protection MaterialTHROUGHOUT RF SHIELDING GASKET
Hole Diameter0.160 INCHES NOMINAL
Aperture Length4.860 INCHES MINIMUM AND 4.900 INCHES MAXIMUM
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 LO4403 available?
We can source LO4403 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 LO4403 by DLA Weapons Support (Columbus) obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LO4403 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 LO4403?
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 LO4403?
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.