Product Details | VARIABLE ATTENUATOR

5985-00-120-8718 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: AM7009, 421407, 6695251, 669525-1, 84001L1N, 8400-1L1N, 8400ILIN, 8400-ILIN, 5985-00-120-8718, 00-120-8718, 5985001208718, 001208718

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

Supply Group (FSG) NSN Assign. NIIN
59 29 DEC 1972 00-120-8718

Drawings & Photos | NSN 5985-00-120-8718


Cross Reference | NSN 5985-00-120-8718

Part Number Cage Code Manufacturer
421407 66544 CONTINENTAL MICROWAVE AND TOOL CO., INC.
421407 80006 LITTON SYSTEMS INC AIRTRON DIV
669525-1 96214 RAYTHEON COMPANY DBA RAYTHEON
8400-1L1N 96341 COBHAM ELECTRONIC SYSTEMS INC. DBA COBHAM DEFENSE ELECTRONICS
8400-ILIN 96341 COBHAM ELECTRONIC SYSTEMS INC. DBA COBHAM DEFENSE ELECTRONICS
AM7009 17540 SKYWORKS SOLUTIONS, INC.

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Technical Data | NSN 5985-00-120-8718

Characteristic Specifications
APPLICATION DESIGN TRANSMISSION LINE
FREQUENCY RANGE 2.700 GIGAHERTZ MINIMUM AND 2.900 GIGAHERTZ MAXIMUM
IMPEDANCE RATING IN OHMS 50.0 OUTPUT
VOLTAGE STANDING WAVE RATIO 1.50
OVERALL ATTENUATION RANGE IN DECIBELS 0.7 TO 40.0
ATTENUATION VARIATION METHOD CONTINUOUS
BODY STYLE 22A COAXIAL TYPE
OVERALL LENGTH 5.410 INCHES MINIMUM AND 5.490 INCHES MAXIMUM
OVERALL HEIGHT 2.990 INCHES NOMINAL
OVERALL WIDTH 1.265 INCHES MINIMUM AND 1.285 INCHES MAXIMUM
ADJUSTMENT DEVICE TYPE AND QUANTITY 1 ELECTRONIC, VOLTAGE CONTROLLED
TERMINAL TYPE AND QUANTITY 1 CONNECTOR, COAXIAL, FEMALE AND 1 CONNECTOR, COAXIAL, MALE AND 1 CONNECTOR, RECEPTACLE
COAXIAL CONNECTOR SERIES DESIGNATION N
MOUNTING FACILITY TYPE AND QUANTITY 4 UNTHREADED HOLE
MOUNTING FACILITY PATTERN FOUR POSITION RECTANGULAR
UNTHREADED MOUNTING HOLE DIAMETER 0.156 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH 3.540 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH 2.230 INCHES NOMINAL
SPECIAL FEATURES VOLTAGE TO ATTENUATION CHARACTERISTICS SHALL BE LINEAR FROM 0.7 DB TO A M IN OF 40.0 DB; EXTERIOR FINISH SHALL BE BROWN TO MATCH FED STD 595 COLOR NUMBER 30372
III BODY MATERIAL ALUMINUM ALLOY
III FSC APPLICATION DATA ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT

Restrictions/Controls & Freight Information | NSN 5985-00-120-8718

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:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
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.
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 TA Sacramento Air Logistics Center
McClellan AFB, CA 95652-5609
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 5985-00-120-8718

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Materiel Management Aggregation CodeEHSX:ELECTRONIC COMPONENTS
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Cognizance Codes9NNavy-owned stocks of defense electronic 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