Product Details | VARIABLE ATTENUATOR

5985-00-239-7581 A device for reducing the strength of an alternating current signal either continuously or in steps, without causing appreciable signal distortion, by maintaining substantially constant output and/or input impedance match. Continuously variable resistive devices must consist of at least two sections or one section with at least two rotating contacts. The item must have an overall attenuation rating. Includes tandem mounted variable resistors designed to function as an attenuator but whose terminals are not connected. See also RESISTOR, VAIABLE (as modified).

Part Alternates: AU26H802203, 2135805G1, 5985-00-239-7581, 00-239-7581, 5985002397581, 002397581

Electrical and Electronic Equipment Components | Antennas, Waveguides, and Related Equipment

Supply Group (FSG) NSN Assign. NIIN
59 05 NOV 1969 00-239-7581

Drawings & Photos | NSN 5985-00-239-7581


Cross Reference | NSN 5985-00-239-7581

Part Number Cage Code Manufacturer
2135805G1 28527 EXELIS INC. DBA ELECTRONIC SYSTEMS, INTEGRATED
AU26H802203 12457 MERRIMAC INDUSTRIES, INC

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Technical Data | NSN 5985-00-239-7581

Characteristic Specifications
APPLICATION DESIGN TRANSMISSION LINE
FREQUENCY RANGE 5.200 GIGAHERTZ MINIMUM AND 10.600 GIGAHERTZ MAXIMUM
IMPEDANCE RATING IN OHMS 50.0 INPUT-OUTPUT
VOLTAGE STANDING WAVE RATIO 1.50
POWER RATING 2.0 WATTS AVERAGE
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS 0.7
OVERALL ATTENUATION RANGE IN DECIBELS 0.0 TO 30.0
OVERALL ATTENUATION ACCURACY IN DECIBELS -0.50 TO 0.50
ATTENUATION VARIATION METHOD CONTINUOUS
BODY STYLE 9A COAXIAL TYPE
OVERALL LENGTH 4.078 INCHES NOMINAL
OVERALL HEIGHT 0.281 INCHES NOMINAL
OVERALL WIDTH 2.255 INCHES NOMINAL
ADJUSTMENT DEVICE TYPE AND QUANTITY 1 KNOB
TERMINAL TYPE AND QUANTITY 2 CONNECTOR, COAXIAL, FEMALE
COAXIAL CONNECTOR SERIES DESIGNATION SMA
MOUNTING FACILITY TYPE AND QUANTITY 4 THREADED HOLE
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR UNF
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER 0.138 INCHES
MOUNTING THREAD QUANTITY 32 PER INCH
MOUNTING FACILITY PATTERN FOUR POSITION RECTANGULAR
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH 2.250 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH 1.875 INCHES NOMINAL
MANUFACTURERS CODE 12457
DESIGN CONTROL REFERENCE AU26H802203

Restrictions/Controls & Freight Information | NSN 5985-00-239-7581

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 061700 ELEC APPLIANCES/INSTRUMENTS NOI
Less than car load rating
Less than truck load rating J 100.2
Water commodity Code 658 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5985-00-239-7581

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each