Jewell Instruments · Electronic Components
MM1VUSL4990
Meter, Audio Level
Part NumberMM1VUSL4990
ManufacturerJewell Instruments
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-866-1891 (NSN)
Federal Item NameMETER,AUDIO LEVEL
Federal Supply Class6625 — Test Instruments
Meter Depth Behind Mounting Flange0.800 INCHES NOMINAL
Meter Body Diameter Behind Mountin1.500 INCHES NOMINAL
Movement TypeMOVING COIL, PERMANENT MAGNET
Nuclear Hardness Critical FeatureNONHARDENED
ColorUNABLE TO DECODE
FSC Application DataTEST SET,ELECT. EQUIP.
Style DesignatorFAN SHAPE FLUSH MTG
MaterialPLASTIC
Special MarkingsRED BAND FROM 0 TO PLUS 1 VOLUMN UNIT
Movement Suspension MethodJEWEL PIVOT BASE
Measurement Range+0.0 TO 100.0 PERCENT MODULATION SINGLE INDICATOR FIRST RANGE
Vendor Part NumbersMM1VUSL4960
Cancelled NSN6625-00-269-2647 (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 MM1VUSL4990 available?
We can source MM1VUSL4990 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 MM1VUSL4990 by Jewell Instruments obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MM1VUSL4990 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 MM1VUSL4990?
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 MM1VUSL4990?
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.