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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-C-373057
Chopper, Electronic
Part NumberSM-C-373057
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-556-7942 (NSN)
Federal Item NameCHOPPER,ELECTRONIC
Federal Supply Class5945 — Relays and Solenoids
Input Voltage Rating6.3 AC VOLTS NOMINAL
Features ProvidedPLUG-IN MOUNTING
Base Connection Wiring Style7 PIN STANDARD TUBE
Overall Diameter0.750 INCHES NOMINAL
Contact Voltage Rating100.0 DC VOLTS MAXIMUM
Dwell Time Rating In Deg157.0 MINIMUM AND 177.0 MAXIMUM
Contact Current Rating1.0 MILLIAMPERES NOMINAL
Terminal Pattern Arrangement0.375 IN. DIA PIN @CIRCLE
Drive Voltage Relationship To InpuEQUAL
Contact Operation SequenceBREAKS BEFORE MAKES
Base Mounting Size Designation7 PIN MINIATURE TUBE BASE SIZE
Vendor Part NumbersA-175, 8890723, 6-776727-00, PS910000004-1
Cancelled NSN5945-00-706-9470 (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 SM-C-373057 available?
We can source SM-C-373057 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 SM-C-373057 by US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM-C-373057 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 SM-C-373057?
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 SM-C-373057?
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.