● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
DLA Weapons Support (Columbus)  · Electronic Components

LO4778

Switch, Push

Part NumberLO4778
ManufacturerDLA Weapons Support (Columbus)
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSWITCH,PUSH
Federal Supply Class5930 — Switches
Actuator Width1.100 INCHES NOMINAL
Body StylePANEL MOUNT
Reference Number Differentiating CREFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY C
ColorYELLOW SINGLE ACTUATOR
Criticality Code JustificationZZZY
Actuator Height0.220 INCHES NOMINAL
Actuator Length1.100 INCHES NOMINAL
Body Height2.600 INCHES NOMINAL
Actuator StyleRECTANGULAR
ESD/EMICode A — ESD/EMI sensitive item
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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

Frequently asked

Is LO4778 available?
We can source LO4778 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 LO4778 by DLA Weapons Support (Columbus) obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LO4778 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 LO4778?
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 LO4778?
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.