Keystone Electronics · Electronic Components
721
BUMPER RECESSED #4 SCREW BLACK
Part Number721
ManufacturerKeystone Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-243-8508 (NSN)
Federal Item NameSWITCH SUBASSEMBLY
Federal Supply Class5930 — Switches
Overall Height2.875 INCHES NOMINAL
Mounting ConfigurationONE 3/16 IN. DIA MTG HOLE AND ONE 3/16 1N. BY 3/8 IN. ENLONGATED HOLE ON A,CENTER LINE 3-13/16 IN. APART
Overall Length4.812 INCHES NOMINAL
Usage DesignUSED AS SERVICE SWITCH ASSEMBLY
Overall Width3.000 INCHES NOMINAL
Accuracy Rating0.02 PERCENT ALL INDICATORS SINGLE SCALE
Current TypeDC
Display TypeLIQUID CRYSTAL
Presentation TypeDIGITAL DISPLAY
Display Digit Quantity16
Dc Voltage Rating12.0 VOLTS NOMINAL
ESD/EMICode A — ESD/EMI sensitive item
Inclosure SpecificationCOMMERCIAL
Cooling MethodAMBIENT AIR
Enclosure FeatureTOTALLY ENCLOSED
Frequency In Hertz60.0 INPUT
PhaseTWO INPUT
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 721 available?
We can source 721 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 721 by Keystone Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 721 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 721?
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 721?
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.