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NSN 5985-00-910-7984, 5985009107984
ATTENUATOR,VARIABLE

Federal Supply Classification
FSC 5985 - Antennas, Waveguides, and Related Equipment
National Item Identification Number
NIIN 009107984
Codification Country
United States
Item Name Code
INC 00838
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(P) There is no information in the HMIRS; 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.
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DLMS® Summary

National Stock Number 5985-00-910-7984

National Stock Number (NSN) 5985-00-910-7984, or NIIN 009107984, (attenuator,variable) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is fairly common among different weapons systems, belonging to 21 different platforms.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 00838. [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).]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; 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. NSN 5985009107984 does not contain precious metals.

This NSN is associated to Schedule B 8529109000: antenna & antenna reflectors of all kinds; parts suitable for use soley or principally w/ apparatus of heading 8525 to 8528, nesoi. The Schedule B End Use is listed as telecommunications equipment. NAICS classification category 334220: radio and television broadcasting and wireless communications equipment manufacturing.

This information was last updated on .


Technical Characteristics

III APPLICATION DESIGN
(AAFS) AUDIO
OVERALL ATTENUATION RANGE IN DECIBELS
(ASYD) +46.0/+55.0
OPERATING TEMP RANGE
(AFGA) -55.0/+120.0 DEG CELSIUS
OPERATING TEMP RANGE
(AFGA) -55.0 TO 120.0 DEG CELSIUS
ADJUSTMENT DEVICE TYPE AND QUANTITY
(CQTQ) 1 SHAFT
APPLICATION DESIGN
(AAFS) AUDIO
ATTENUATION VARIATION METHOD
(ASYF) CONTINUOUS
BODY DIAMETER
(ABPM) 1.156 INCHES MAXIMUM
BODY LENGTH
(ADAQ) 1.593 INCHES MAXIMUM
BODY STYLE
(AAQL) CYLINDRICAL W/SIDE TERMINALS
BUSHING LENGTH
(ABXD) 0.375 INCHES NOMINAL
FSC APPLICATION DATA
(ZZZV) ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
IMPEDANCE RATING IN OHMS
(CTGG) 600.0 INPUT-OUTPUT
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS
(ASYC) 0.058
OVERALL ATTENUATION RANGE IN DECIBELS
(ASYD) +46.0 TO 55.0
OVERALL LENGTH
(ABHP) 4.781 INCHES NOMINAL
OVERALL WIDTH
(ABMK) 1.453 INCHES NOMINAL
MOUNTING FACILITY TYPE AND QUANTITY
(AXHR) 1 THREADED BUSHING
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER
(CRYY) 0.375 INCHES
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR
(AKEJ) UNEF
MOUNTING THREAD QUANTITY
(CGGK) 32 PER INCH
OPERATING TEMP RANGE
(AFGA) -55.0 TO 120.0 CELSIUS
POWER RATING
(AJDB) 2.0 WATTS AVERAGE
SCHEMATIC DIAGRAM DESIGNATOR
(AEBZ) BRIDGED "T"
SHAFT DIAMETER
(ABWV) 0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
SHAFT LENGTH
(ABXF) 3.188 INCHES NOMINAL
SHAFT TYPE
(CRSJ) ROUND
SPECIAL FEATURES
(FEAT) TWO-SECTION
SUPPLEMENTARY FEATURES
(SUPP) 312 DEG ANGLE OF ROTATION
TERMINAL TYPE AND QUANTITY
(TTQY) 6 TAB, SOLDER LUG

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