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NSN 5985-00-476-8271, 5985004768271
ATTENUATOR,VARIABLE

Federal Supply Classification
FSC 5985 - Antennas, Waveguides, and Related Equipment
National Item Identification Number
NIIN 004768271
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 5985-00-476-8271

National Stock Number (NSN) 5985-00-476-8271, or NIIN 004768271, (attenuator,variable) was assigned June 16, 1971 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 one supplier. Today, there are no suppliers 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 5985004768271 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

SEGMENT ATTENUATION RANGE IN DECIBELS
(BQNS) +0.50/+3.00 AND +3.00/+6.00 AND +6.00/+10.00 AND +10.00/+20.00
SEGMENT ATTENUATION ACCURACY IN DECIBELS
(BQNT) -0.10/+0.10 AND -0.20 TO 0.20 AND -0.30 TO 0.30 AND -0.60/+0.60
ADJUSTMENT DEVICE TYPE AND QUANTITY
(CQTQ) 9 LEVER
APPLICATION DESIGN
(AAFS) TRANSMISSION LINE
ATTENUATION ACCURACY REFERENCE FREQUENCY
(ASYE) 70.0 MEGAHERTZ
ATTENUATION PER STEP IN DECIBELS
(ASYH) 0.5 AND 1.0 AND 2.0 AND 3.0 AND 6.0 AND 10.0 AND 20.0
ATTENUATION VARIATION METHOD
(ASYF) STEPPED
BODY STYLE
(AAQL) COAXIAL TYPE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH
(ABKQ) 4.000 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH
(ABKR) 2.000 INCHES NOMINAL
COAXIAL CONNECTOR SERIES DESIGNATION
(AHUC) C
FREQUENCY RANGE
(BNGR) 50.000 MEGAHERTZ MINIMUM AND 70.000 MEGAHERTZ MAXIMUM
IMPEDANCE RATING IN OHMS
(CTGG) 50.0 INPUT-OUTPUT
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS
(ASYC) 1.0
OVERALL ATTENUATION ACCURACY IN DECIBELS
(BQNR) -0.10 TO 0.60
OVERALL ATTENUATION RANGE IN DECIBELS
(ASYD) +0.0 TO 20.0
OVERALL HEIGHT
(ABKW) 2.250 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 7.625 INCHES NOMINAL
OVERALL WIDTH
(ABMK) 2.750 INCHES NOMINAL
MOUNTING FACILITY TYPE AND QUANTITY
(AXHR) 4 SLOT
MOUNTING FACILITY PATTERN
(CQYJ) FOUR POSITION RECTANGULAR
MOUNTING SLOT WIDTH
(ABTD) 0.156 INCHES NOMINAL
MOUNTING SLOT LENGTH
(ABVG) 0.250 INCHES NOMINAL
SEGMENT ATTENUATION ACCURACY IN DECIBELS
(BQNT) -0.10 TO 0.10 AND -0.20 TO 0.20 AND -0.30 TO 0.30 AND -0.60 TO 0.60
SEGMENT ATTENUATION RANGE IN DECIBELS
(BQNS) +0.50 TO 3.00 AND +3.00 TO 6.00 AND +6.00 TO 10.00 AND +10.00 TO 20.00
POWER RATING
(AJDB) 500.0 MILLIWATTS AVERAGE
VOLTAGE STANDING WAVE RATIO
(AHTW) 1.15
STEP POSITION QUANTITY
(ASYG) 7
TERMINAL TYPE AND QUANTITY
(TTQY) 2 CONNECTOR, COAXIAL, FEMALE
III APPLICATION DESIGN
(AAFS) TRANSMISSION LINE
OVERALL ATTENUATION RANGE IN DECIBELS
(ASYD) +0.0/+20.0
OVERALL ATTENUATION ACCURACY IN DECIBELS
(BQNR) -0.10/+0.60

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