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NSN 5985-00-331-3759, 5985003313759
ATTENUATOR,VARIABLE

Federal Supply Classification
FSC 5985 - Antennas, Waveguides, and Related Equipment
National Item Identification Number
NIIN 003313759
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.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 5985-00-331-3759

National Stock Number (NSN) 5985-00-331-3759, or NIIN 003313759, (attenuator,variable) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are 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 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 5985003313759 contains an unknown precious metal.

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
ADJUSTMENT DEVICE TYPE AND QUANTITY
(CQTQ) 1 SHAFT
APPLICATION DESIGN
(AAFS) AUDIO
ATTENUATION VARIATION METHOD
(ASYF) CONTINUOUS
BODY DIAMETER
(ABPM) 1.625 INCHES NOMINAL
BODY LENGTH
(ADAQ) 1.686 INCHES NOMINAL
BODY STYLE
(AAQL) CYLINDRICAL W/SIDE TERMINALS
BUSHING LENGTH
(ABXD) 0.406 INCHES NOMINAL
IMPEDANCE RATING IN OHMS
(CTGG) 1000.0 INPUT-OUTPUT
OVERALL ATTENUATION ACCURACY IN DECIBELS
(BQNR) +0.05 TO 4.00
OVERALL ATTENUATION RANGE IN DECIBELS
(ASYD) +0.5 TO 40.0
OVERALL LENGTH
(ABHP) 4.094 INCHES NOMINAL
OVERALL WIDTH
(ABMK) 2.000 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
POWER RATING
(AJDB) 4.0 WATTS AVERAGE
SCHEMATIC DIAGRAM DESIGNATOR
(AEBZ) "T"
SHAFT DIAMETER
(ABWV) 0.250 INCHES NOMINAL
SHAFT LENGTH
(ABXF) 2.406 INCHES NOMINAL
SHAFT TYPE
(CRSJ) ROUND
TERMINAL TYPE AND QUANTITY
(TTQY) 6 TAB, SOLDER LUG
OVERALL ATTENUATION RANGE IN DECIBELS
(ASYD) +0.5/+40.0
OVERALL ATTENUATION ACCURACY IN DECIBELS
(BQNR) +0.05/+4.00

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