MIL-SPEC · Electronic Components
SG994U
Test Set, Telephone
Part NumberSG994U
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-140-0049 (NSN)
Federal Item NameTEST SET,TELEPHONE
Federal Supply Class6625 — Test Instruments
Test Type For Which DesignedTONE LEVEL; NOISE LEVEL; FREQUENCY; ALIGNMENT OF HIGH PRIORITY 4 WIRE AUTOVON CIRCUITS
Length13.500 INCHES NOMINAL
Frequency Rating48.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
Enclosure FeatureSINGLE ITEM W/HOUSING
Ac Voltage Rating100.0 VOLTS MINIMUM AND 240.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
Electrical Power Source RelationshALTERNATE OPERATING
Functional DescriptionUSED FOR MEASUREMENTS ON VOICE, PROGRAM AND DATA CIRCUITS UP TO 50 KB/S
PhaseSINGLE LOCATION NOT OTHERWISE SPECIFIED
Reference Data And LiteratureHEWLETT PACKARD CATALOG
Height5.250 INCHES NOMINAL
Width10.000 INCHES NOMINAL
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 SG994U available?
We can source SG994U 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 SG994U by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SG994U 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 SG994U?
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 SG994U?
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.