C & S Antennas · Electronic Components
AR31EF
Mast Section
Part NumberAR31EF
ManufacturerC & S Antennas
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-371-5881 (NSN)
Federal Item NameMAST SECTION
Federal Supply Class5985 — Antennas and Waveguides
Criticality Code JustificationFEAT
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 AR31EF available?
We can source AR31EF 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 AR31EF by C & S Antennas obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AR31EF 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 AR31EF?
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 AR31EF?
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.