Spectrum Controls Inc. Connector Div · Electronic Components
52-257-006A
Terminal Junction Block, Sectiona
Part Number52-257-006A
ManufacturerSpectrum Controls Inc. Connector Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5940-01-511-4550 (NSN)
Federal Item NameTERMINAL JUNCTION BLOCK,SECTIONA
Federal Supply Class5940 — Lugs, Terminals, and Terminal Strips
Current Rating In Amps20.0
Current TypeAC
Voltage Rating250.0 VOLTS NOMINAL
Vendor Part Numbers18797, PL9903A5000-1 REV B ITEM NO. 5
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 52-257-006A available?
We can source 52-257-006A 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 52-257-006A by Spectrum Controls Inc. Connector Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 52-257-006A 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 52-257-006A?
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 52-257-006A?
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.