Product Details | VARIABLE ATTENUATOR

5985-00-240-9821 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: 120107-001, 211A17, 5985-00-240-9821, 00-240-9821, 5985002409821, 120107001, 002409821

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

Supply Group (FSG) NSN Assign. NIIN
59 05 NOV 1969 00-240-9821

Drawings & Photos | NSN 5985-00-240-9821


Cross Reference | NSN 5985-00-240-9821

Part Number Cage Code Manufacturer
120107-001 25512 NORTHROP GRUMMAN SYSTEMS CORPORATION DBA DENRO SYSTEMS
120107-001 92755 NORTHROP GRUMMAN SYSTEMS CORPORATION DBA LAND & SELF PROTECTION SYSTEM
211A17 25512 NORTHROP GRUMMAN SYSTEMS CORPORATION DBA DENRO SYSTEMS
211A17 92755 NORTHROP GRUMMAN SYSTEMS CORPORATION DBA LAND & SELF PROTECTION SYSTEM

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Technical Data | NSN 5985-00-240-9821

Characteristic Specifications
APPLICATION DESIGN AUDIO
SCHEMATIC DIAGRAM DESIGNATOR 1D C
FREQUENCY RANGE 20.000 HERTZ MINIMUM AND 20.000 KILOHERTZ MAXIMUM
IMPEDANCE RATING IN OHMS 12.5 INPUT
OVERALL ATTENUATION RANGE IN DECIBELS 0.0 TO 60.0
ATTENUATION VARIATION METHOD CONTINUOUS
BODY STYLE 34A CYLINDRICAL W/REAR TERMINALS
OVERALL LENGTH 2.375 INCHES NOMINAL
BODY LENGTH 1.375 INCHES NOMINAL
OVERALL DIAMETER 2.500 INCHES NOMINAL
ADJUSTMENT DEVICE TYPE AND QUANTITY 1 SHAFT
SHAFT TYPE ROUND
SHAFT DIAMETER 0.250 INCHES NOMINAL
SHAFT LENGTH 1.000 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY 4 WIRE LEAD

Restrictions/Controls & Freight Information | NSN 5985-00-240-9821

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:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 5985-00-240-9821

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 CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative