Astronics Test Systems Inc. · Electronic Components
9904-04B
Counter, Electronic, Digital Reado
Part Number9904-04B
ManufacturerAstronics Test Systems Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-01-180-7550 (NSN)
Federal Item NameCOUNTER,ELECTRONIC,DIGITAL READO
Federal Supply Class6625 — Test Instruments
Gate Time1.0 MICROSECONDS NOMINAL
Display Digit Quantity7
Accuracy RatingPORM 1 COUNT PORM TIMEBASE
Display TypeNUMERIC READOUT TUBE
Frequency Range+0.000 TO 50.000 MEGAHERTZ OVERALL
Measurement TypeFREQUENCY AND PERIOD AVERAGE AND RATIO AND TIME INTERVAL AND TOTALIZING
Vendor Part Numbers91529922
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 9904-04B available?
We can source 9904-04B 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 9904-04B by Astronics Test Systems Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 9904-04B 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 9904-04B?
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 9904-04B?
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.