Naval Ship Systems Command · Electronic Components
20557
Vibrator, Self-Rectifying
Part Number20557
ManufacturerNaval Ship Systems Command
AvailabilityAvailable to order — request a quote
Specifications
NSN6130-00-235-0992 (NSN)
Federal Item NameVIBRATOR,SELF-RECTIFYING
Federal Supply Class6130 — Power Supplies and Converters (Nonrotating)
Input Voltage Rating6.0 DC VOLTS NOMINAL
Reed TypeSINGLE
Drive Voltage Relationship To InpuUNEQUAL
Input Current Rating0.3 AMPERES NOMINAL
Output Frequency Rating115.0 HERTZ NOMINAL
Overall Length2.125 INCHES NOMINAL
Overall Diameter1.313 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 20557 available?
We can source 20557 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 20557 by Naval Ship Systems Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 20557 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 20557?
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 20557?
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.