RA Miller Industries · Electronic Components
AT-256A/ARC
Antenna — Antennas and Waveguides
Part NumberAT-256A/ARC
ManufacturerRA Miller Industries
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-217-0457 (NSN)
Federal Item NameANTENNA
Federal Supply Class5985 — Antennas and Waveguides
Characteristic Impedance In Ohms50.0 SINGLE ANTENNA ELEMENT
Coaxial Connector Series DesignatiN SINGLE ANTENNA ELEMENT
Electromagnetic Polarization TypeVERTICAL SINGLE ANTENNA ELEMENT
Beam Scanning MethodFIXED SINGLE ANTENNA ELEMENT
Terminal TypeRECEPTACLE, COAXIAL SINGLE ANTENNA ELEMENT
Design TypeBLADE SINGLE ANTENNA ELEMENT
Radiation PatternOMNIDIRECTIONAL SINGLE ANTENNA ELEMENT
Overall Height10.488 INCHES MAXIMUM
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Test Data Document81349-MIL-A-5815 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Overall Length4.969 INCHES MINIMUM AND 5.031 INCHES MAXIMUM
Vendor Part NumbersM5815/1-01
Cancelled NSN5821-00-253-1676 (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 AT-256A/ARC available?
We can source AT-256A/ARC 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 AT-256A/ARC by RA Miller Industries obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AT-256A/ARC 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 AT-256A/ARC?
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 AT-256A/ARC?
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.