Infinite Electronics International · Electronic Components
SM4657
Adapter, Radio Frequency Cable
Part NumberSM4657
ManufacturerInfinite Electronics International
AvailabilityAvailable to order — request a quote
Specifications
NSN5940-01-592-2633 (NSN)
Federal Item NameADAPTER,RADIO FREQUENCY CABLE
Federal Supply Class5940 — Lugs, Terminals, and Terminal Strips
Usage DesignTO CONNECT TWO DIFFERENT CONNECTORS
MaterialCOPPER ALLOY
Overall Diameter0.780 INCHES NOMINAL
Overall Length1.700 INCHES NOMINAL
Vendor Part Numbers200913583-01
ESD/EMICode A — ESD/EMI sensitive item
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 SM4657 available?
We can source SM4657 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 SM4657 by Infinite Electronics International obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM4657 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 SM4657?
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 SM4657?
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.