81C66-1-1A — ANTENNA

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

81C66-1-1A: ANTENNA.

The ANTENNA is a the manufacturer industrial component. Key specifications include design_type: RING DIPOLE SINGLE ANTENNA ELEMENT, power_rating: 1.000 KILOWATTS CW SINGLE ANTENNA ELEMENT, terminal_type: CONNECTOR, RECEPTACLE SINGLE ANTENNA ELEMENT, overall_height: 2.333 FEET MAXIMUM FT, mounting_method: CLAMP, beam_width_angle: 360.0 DEGREES HORIZONTAL AND 20.0 DEGREES VERTICAL SINGLE ANTENNA ELEMENT. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-128-9645, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

81C66-1-1A

NSN: 5985-00-128-9645
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 05211 — R. A. MILLER INDUSTRIES, INC. DBA R A MILLER INDUSTRIES INC (USA)

SPECIFICATIONS

design_type	RING DIPOLE SINGLE ANTENNA ELEMENT
power_rating	1.000 KILOWATTS CW SINGLE ANTENNA ELEMENT
terminal_type	CONNECTOR, RECEPTACLE SINGLE ANTENNA ELEMENT
overall_height	2.333 FEET MAXIMUM FT
mounting_method	CLAMP
beam_width_angle	360.0 DEGREES HORIZONTAL AND 20.0 DEGREES VERTICAL SINGLE ANTENNA ELEMENT
frequency_rating	225.000 MEGAHERTZ MINIMUM AND 400.000 MEGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT
overall_diameter	2.410 INCHES MINIMUM AND 2.440 INCHES MAXIMUM IN
radiation_pattern	OMNIDIRECTIONAL SINGLE ANTENNA ELEMENT
beam_scanning_method	FIXED SINGLE ANTENNA ELEMENT
connector_end_design	SOCKET SINGLE ANTENNA ELEMENT
operating_temp_range	-54.0 TO 71.0 CELSIUS DEGC
NSN	5985-00-128-9645

COMPONENT DIAGRAM

KEY FEATURES

•

BEAM SCANNING METHOD: FIXED SINGLE ANTENNA ELEMENT

•

TERMINAL TYPE: CONNECTOR, RECEPTACLE SINGLE ANTENNA ELEMENT

•

DESIGN TYPE: RING DIPOLE SINGLE ANTENNA ELEMENT

•

OVERALL DIAMETER: 2.410 INCHES MINIMUM AND 2.440 INCHES MAXIMUM IN

•

BEAM WIDTH ANGLE: 360.0 DEGREES HORIZONTAL AND 20.0 DEGREES VERTICAL SINGLE ANTENNA ELEMENT

•

TERMINATION IDENTIFICATION: MIL&C&3643-3 SINGLE ANTENNA ELEMENT

•

MOUNTING METHOD: CLAMP

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	2.333 FEET MAXIMUM FT
BEAM SCANNING METHOD	FIXED SINGLE ANTENNA ELEMENT
TERMINAL TYPE	CONNECTOR, RECEPTACLE SINGLE ANTENNA ELEMENT
DESIGN TYPE	RING DIPOLE SINGLE ANTENNA ELEMENT
OVERALL DIAMETER	2.410 INCHES MINIMUM AND 2.440 INCHES MAXIMUM IN
BEAM WIDTH ANGLE	360.0 DEGREES HORIZONTAL AND 20.0 DEGREES VERTICAL SINGLE ANTENNA ELEMENT
TERMINATION IDENTIFICATION	MIL&C&3643-3 SINGLE ANTENNA ELEMENT
MOUNTING METHOD	CLAMP
RADIATION PATTERN	OMNIDIRECTIONAL SINGLE ANTENNA ELEMENT
CONNECTOR END DESIGN	SOCKET SINGLE ANTENNA ELEMENT

OTHER ITEMS IN FSC 5985 — Antennas, Waveguides, and Related Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5985-00-001-1854 5985-00-001-1862 5985-00-001-1869 5985-00-001-1870 5985-00-001-1871 5985-00-001-1874 5985-00-001-1875 5985-00-001-1876

SUBSTITUTES & CROSS-REFERENCES 1

AS-2956/GRCSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is 81C66-1-1A?

81C66-1-1A is a ANTENNA.

What parts can replace 81C66-1-1A?

There is 1 known substitute for 81C66-1-1A: AS-2956/GRC. Substitute compatibility should be verified for your specific system.

What is the NSN for 81C66-1-1A?

81C66-1-1A is cataloged in the U.S. Government catalog under NSN 5985-00-128-9645. This indicates validated use in U.S. government and defense supply chains.

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81C66-1-1A — ANTENNA

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