Product Details | VARIABLE ATTENUATOR

5985-00-996-0975 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: A82982, A8298-2, SPEC 6576, SPEC6576, 5498907002, 549-8907-002, 65762, 6576-2, 5985-00-996-0975, 00-996-0975, 5985009960975, 009960975

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

Supply Group (FSG) NSN Assign. NIIN
59 01 JAN 1963 00-996-0975

Drawings & Photos | NSN 5985-00-996-0975


Cross Reference | NSN 5985-00-996-0975

Part Number Cage Code Manufacturer
549-8907-002 13499 ROCKWELL COLLINS, INC. DBA GOVERNMENT SYSTEMS
549-8907-002 95105 ROCKWELL COLLINS, INC. DIV GOVERNMENT SYSTEMS - DALLAS
6576-2 28057 SHALLCO, INC.
6576-2 58880 MEGGITT (NEW HAMPSHIRE), INC
A8298-2 28057 SHALLCO, INC.
A8298-2 58880 MEGGITT (NEW HAMPSHIRE), INC
SPEC 6576 28057 SHALLCO, INC.

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Technical Data | NSN 5985-00-996-0975

Characteristic Specifications
APPLICATION DESIGN AUDIO
SCHEMATIC DIAGRAM DESIGNATOR 10D BALANCED H BRIDGED
FREQUENCY RANGE 0.000 KILOHERTZ MINIMUM AND 1.000 KILOHERTZ MAXIMUM
IMPEDANCE RATING IN OHMS 600.0 INPUT-OUTPUT
POWER RATING 500.0 MILLIWATTS AVERAGE
OVERALL ATTENUATION RANGE IN DECIBELS 0.0 TO 100.0
OVERALL ATTENUATION ACCURACY IN DECIBELS -0.50 TO 0.50
ATTENUATION VARIATION METHOD STEPPED
STEP POSITION QUANTITY 10
ATTENUATION PER STEP IN DECIBELS 10.0
BODY STYLE 33A CYLINDRICAL W/SIDE TERMINALS
OVERALL LENGTH 2.500 INCHES NOMINAL
OVERALL WIDTH 2.655 INCHES NOMINAL
BODY DIAMETER 2.343 INCHES NOMINAL
BODY LENGTH 1.750 INCHES NOMINAL
ADJUSTMENT DEVICE TYPE AND QUANTITY 1 SHAFT
SHAFT TYPE ROUND
SHAFT DIAMETER 0.250 INCHES NOMINAL
SHAFT LENGTH 0.750 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY 6 TAB, SOLDER LUG
MOUNTING FACILITY TYPE AND QUANTITY 2 THREADED HOLE
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR UNC
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER 0.164 INCHES
MOUNTING THREAD QUANTITY 32 PER INCH
MOUNTING FACILITY PATTERN TWO POSITION IN-LINE
DISTANCE BETWEEN MOUNTING FACILITY CENTERS 1.500 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5985-00-996-0975

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 XX
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 5985-00-996-0975

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
Purchasing QTY
UOM
1
EA : Each