Product Details | VARIABLE ATTENUATOR

5985-00-172-9153 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: 55094142, 5509414-2, 5985-00-172-9153, 00-172-9153, 5985001729153, 001729153

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

Supply Group (FSG) NSN Assign. NIIN
59 03 DEC 1971 00-172-9153

Drawings & Photos | NSN 5985-00-172-9153


Cross Reference | NSN 5985-00-172-9153

Part Number Cage Code Manufacturer
5509414-2 24930 EXELIS INC. DBA RADAR, RECONNAISSANCE & UNDERSEA
5509414-2 28527 EXELIS INC. DBA ELECTRONIC SYSTEMS, INTEGRATED
5509414-2 28528 ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS
5509414-2 31550 EXELIS INC. DBA NIGHT VISION & COMMUNICATIONS

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Technical Data | NSN 5985-00-172-9153

Characteristic Specifications
APPLICATION DESIGN TRANSMISSION LINE
FREQUENCY RANGE 0.000 MEGAHERTZ MINIMUM AND 500.000 MEGAHERTZ MAXIMUM
IMPEDANCE RATING IN OHMS 50.0 INPUT-OUTPUT
POWER RATING 0.5 WATTS AVERAGE AND 350.0 WATTS PEAK
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS 0.2
OVERALL ATTENUATION RANGE IN DECIBELS 0.0 TO 120.0
OVERALL ATTENUATION ACCURACY IN DECIBELS -0.30 TO 0.30
ATTENUATION ACCURACY REFERENCE FREQUENCY 1.0 KILOHERTZ
ATTENUATION VARIATION METHOD STEPPED
STEP POSITION QUANTITY 12
ATTENUATION PER STEP IN DECIBELS 10.0
BODY STYLE 9A COAXIAL TYPE
OVERALL LENGTH 5.940 INCHES NOMINAL
OVERALL HEIGHT 2.570 INCHES NOMINAL
OVERALL WIDTH 2.790 INCHES NOMINAL
ADJUSTMENT DEVICE TYPE AND QUANTITY 2 KNOB
TERMINAL TYPE AND QUANTITY 4 CONNECTOR, COAXIAL, FEMALE
COAXIAL CONNECTOR SERIES DESIGNATION BNC
MOUNTING FACILITY TYPE AND QUANTITY 1 BRACKET
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR UNC
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER 0.138 INCHES
MOUNTING THREAD QUANTITY 32 PER INCH
MOUNTING FACILITY PATTERN FOUR POSITION RECTANGULAR
UNTHREADED MOUNTING HOLE DIAMETER 0.213 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH 2.500 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH 2.250 INCHES NOMINAL
III OPERATING TEMP RANGE -65.0 TO 125.0 DEG CELSIUS
MANUFACTURERS CODE 28528
DESIGN CONTROL REFERENCE 5509414-2

Restrictions/Controls & Freight Information | NSN 5985-00-172-9153

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:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
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 HH Navy ICP
Mechanicsburg, PA 17055-0788
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 5985-00-172-9153

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 CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each