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NSN 5985-00-156-0891, 5985001560891
ATTENUATOR,VARIABLE

Federal Supply Classification
FSC 5985 - Antennas, Waveguides, and Related Equipment
National Item Identification Number
NIIN 001560891
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 5985-00-156-0891

National Stock Number (NSN) 5985-00-156-0891, or NIIN 001560891, (attenuator,variable) was assigned October 24, 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 4 manufacturer part numbers associated with this NSN. None of the associated 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.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 29, 2009, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) 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 5985001560891 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) TRANSMISSION LINE
OVERALL ATTENUATION RANGE IN DECIBELS
(ASYD) +0.0/+30.0
OPERATING TEMP RANGE
(AFGA) -46.0/+125.0 DEG CELSIUS
ADJUSTMENT DEVICE TYPE AND QUANTITY
(CQTQ) 1 SHAFT
APPLICATION DESIGN
(AAFS) TRANSMISSION LINE
ATTENUATION VARIATION METHOD
(ASYF) CONTINUOUS
BODY STYLE
(AAQL) COAXIAL TYPE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH
(ABKQ) 1.250 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH
(ABKR) 1.812 INCHES NOMINAL
COAXIAL CONNECTOR SERIES DESIGNATION
(AHUC) N
FREQUENCY RANGE
(BNGR) 1.000 GIGAHERTZ MINIMUM AND 8.000 GIGAHERTZ MAXIMUM
IMPEDANCE RATING IN OHMS
(CTGG) 50.0 INPUT-OUTPUT
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS
(ASYC) 0.5
OPERATING TEMP RANGE
(AFGA) -46.0 TO 125.0 CELSIUS
OVERALL ATTENUATION RANGE IN DECIBELS
(ASYD) +0.0 TO 30.0
OVERALL HEIGHT
(ABKW) 1.000 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 4.250 INCHES MAXIMUM
OVERALL WIDTH
(ABMK) 3.750 INCHES NOMINAL
MOUNTING FACILITY TYPE AND QUANTITY
(AXHR) 4 THREADED HOLE
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER
(CRYY) 0.138 INCHES
MOUNTING FACILITY PATTERN
(CQYJ) FOUR POSITION RECTANGULAR
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR
(AKEJ) UNC
MOUNTING THREAD QUANTITY
(CGGK) 32 PER INCH
POWER RATING
(AJDB) 4.0 WATTS AVERAGE
SHAFT DIAMETER
(ABWV) 0.250 INCHES NOMINAL
SHAFT TYPE
(CRSJ) ROUND
SHAFT LENGTH
(ABXF) 0.480 INCHES NOMINAL
VOLTAGE STANDING WAVE RATIO
(AHTW) 1.50
TERMINAL TYPE AND QUANTITY
(TTQY) 2 CONNECTOR, COAXIAL, FEMALE
III OPERATING TEMP RANGE
(AFGA) -46.0 TO 125.0 DEG CELSIUS
OPERATING TEMP RANGE
(AFGA) -46.0 TO 125.0 DEG CELSIUS

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