MIL-SPEC · Electronic Components
MX1638U
Scale, Cathode Ray Tube
Part NumberMX1638U
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-519-3491 (NSN)
Federal Item NameSCALE,CATHODE RAY TUBE
Federal Supply Class6625 — Test Instruments
Mounting ConfigurationMOUNTS BY PRESS FIT
Overall Diameter3.187 INCHES NOMINAL
Scale TypeHORIZONTAL AND VERTICAL
MaterialPLASTIC SCALE
Scale Division Quantity20
Scale Quantity2
Overall Thickness0.030 INCHES NOMINAL
Vendor Part Numbers234B106
Cancelled NSN6625-00-546-6595 (cancelled)
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 MX1638U available?
We can source MX1638U 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 MX1638U by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MX1638U 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 MX1638U?
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 MX1638U?
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.