Antenna

MIL-A-25708/1

MIL-A-25708/1
(NSN) National Stock Number
5985-00-106-0906
Federal Supply Classification
5985 Antennas, Waveguides and Related Equipment
Item Name Code
00749
Schedule B Code
9803200000
Summary

5.250 inches nominal overall length, 1.750 inches nominal overall height, 3.300 inches maximum overall width, 0.144 inches nominal mounting hole diameter, 6 mounting hole quantity, 0.950 gigahertz minimum and 1.220 gigahertz maximum single antenna element frequency rating

DAC HCC DMIL RNCC
E - - 5
RNVC SADC MSDS RNAAC
9 - - TX
Identification

An item consisting of a conductor or a system of conductors specifically designed to radiate and/or receive electromagnetic waves in free space. May include beam-forming devices, drive motors, synchros, radome, and associated mechanical structure.

INC FIIG Concept Condition
00749 A074A0 - 1
Specifications
Overall Length
5.250 inches nominal
Details The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
Overall Height
1.750 inches nominal
Details The distance measured in a straight line from the bottom to the top of an item.
Overall Width
3.300 inches maximum
Details An overall measurement taken at right angles to the length of an item,in distinction from thickness.
Mounting Hole Diameter
0.144 inches nominal
Details The length of a straight line which passes through the center of a mounting hole,and terminates at the circumference.
Mounting Hole Quantity
6
Details The number of mounting holes provided.
Frequency Rating
0.950 gigahertz minimum and 1.220 gigahertz maximum single antenna element
Details The number of complete cyclic changes,per unit of time,for which an item is rated.
Distance Between Mounting Facility Centers
1.250 inches minimum and 4.500 inches maximum
Details The distance between mounting facility centers.
Operating Temp Range
-55.0 to 250.0 deg celsius
Details The minimum and maximum limits of temperature at which the item is rated for operation.
Coaxial Connector Series Designation
bnc single antenna element
Details A letter or group of letters used to designate the particular coaxial connector series.
Connector End Design
socket single antenna element
Details The design of the connector end.
Electromagnetic Polarization Type
vertical single antenna element
Details The orientation of the electrical vector of energy radiated from the item relative to the line of propagation.
Radiation Pattern
omnidirectional single antenna element
Details The graphical representation of the radiation pattern of the device as a function of direction.
Power Rating
100.000 watts average and 10.500 kilowatts peak single antenna element
Details The amount of electrical energy that can be dissipated.
Characteristic Impedance In Ohms
50.0 single antenna element
Details The reactance-resistance complex value which must be matched by the transmission line and termination to achieve lowest standing wave ratio,expressed in ohms.
Termination Identification
m25708-1-01 single antenna element
Details The specification,standard,or the number or symbol of the manufacturer used to identify the termination.
Termination Manufacturer Code
81349 single antenna element
Details The identifying numeric code of the originator that controls or manufactures the termination.
Beam Scanning Method
fixed single antenna element
Details The means used to direct a beam/s/ of energy successively over a given region.
Design Type
blade single antenna element
Details Indicates the design type of the item.
Mounting Method
base and unthreaded hole
Details The means of attaching the item.
Terminal Type
connector, receptacle single antenna element
Details Indicates the type of terminal for providing electrical connection to the item.
Beam Width Angle
2.0 degrees vertical single antenna element
Details The angle between two opposite half-power (three decibel (3 db)) points of the beam.
Power Gain In Decibels
0.50 single antenna element
Details The ratio of the signal intensity of an item radiated in a specific direction to the signal intensity radiated in the same direction by a standard device,expressed in decibels.
Precious Material And Location
contact surfaces gold
Details An indication of the precious material and its location in the item.
Precious Material
gold
Details Identification of the precious material contained in the item.
Test Data Document
81349-mil-a-25708 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.).
Details The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.
Specification/Standard Data
81349-mil-a-25708/1 government specification
Details The document designator of the specification or standard which established the item of supply.
Fsc Application Data
antennas,waveguides,and related equipment
Details The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
5985PL1731624 9009H 9 - 6 9 - WP
AT-741 B/B 05211 5 - 5 1 - 9Z
3-00001 00752 5 - 5 1 - ZZ
AT741B/B 00752 5 - 5 1 - ZZ
AT-741B/A 80058 E - 5 9 - TX
AT-741B/B 80058 E - 5 1 - TX
M25708/1-01 81349 E - 2 2 - TX
MIL-DTL-25708/1 81349 E - 4 1 - ZZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
P G - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
34030 - W -
RVC WCC TCC SHC
- 72D Z 9
Price and Availability Quote

Send us a quick request for quote using the form below:

What's Included?

  • Certificate of Conformity
  • QC Inspection prior to shipping
  • On time delivery
  • Friendly service to back every order
Manufacturer
MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
CAGE: 81349
View Products
FAQs
Frequently asked questions for NSN 5985-00-106-0906
What is the NIIN of the NSN 5985-00-106-0906?
The National Item Identification Number (NIIN) of the NSN 5985-00-106-0906 is 00-106-0906
When the NSN 5985-00-106-0906 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Nov 17, 1972
Does the NSN 5985-00-106-0906 contain any precious metals?
Contains gold
Does the NSN 5985-00-106-0906 contain any hazardous material?
No information in HMIRS

Can't Find It

If you didn't find what you need, don't worry, we're here to help! Our team is ready to help you find exactly what you need. Click below to contact us.

Similar Products
Who we are?

At Aerospace Shop, we are dedicated to providing high-quality aerospace components, shop supplies, replacement parts, and tools.

With a commitment to excellence and customer satisfaction, we aim to be your trusted partner in the aerospace industry.

Contact
800 Town and Country Blvd
Houston, TX, 77024
United States
© 2025 Aerospace Shop, Inc. All rights reserved.
Made in USA