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NSN 5985-01-138-6143, 5985011386143
ATTENUATOR,VARIABLE

Federal Supply Classification
FSC 5985 - Antennas, Waveguides, and Related Equipment
National Item Identification Number
NIIN 011386143
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 5985-01-138-6143

National Stock Number (NSN) 5985-01-138-6143, or NIIN 011386143, (attenuator,variable) was assigned September 17, 1982 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Oct 30, 2012. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPM7M513V0848, SPM7M912V9705. The total value of the awarded contracts has been US$ 8,242.06.

This NSN is fairly common among different weapons systems, belonging to 20 different platforms.

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 Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. 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 5985011386143 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

OVERALL ATTENUATION RANGE IN DECIBELS
(ASYD) +6.0/+106.0
ADJUSTMENT DEVICE TYPE AND QUANTITY
(CQTQ) 1 KNOB
APPLICATION DESIGN
(AAFS) TRANSMISSION LINE
ATTENUATION VARIATION METHOD
(ASYF) CONTINUOUS
BODY STYLE
(AAQL) IRREGULAR
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH
(ABKQ) 3.495 INCHES MINIMUM AND 3.505 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH
(ABKR) 3.495 INCHES MINIMUM AND 3.505 INCHES MAXIMUM
COAXIAL CONNECTOR SERIES DESIGNATION
(AHUC) N
FREQUENCY RANGE
(BNGR) 960.000 MEGAHERTZ MINIMUM AND 1.215 GIGAHERTZ MAXIMUM
IMPEDANCE RATING IN OHMS
(CTGG) 50.0 INPUT-OUTPUT
OVERALL ATTENUATION RANGE IN DECIBELS
(ASYD) +6.0 TO 106.0
OVERALL HEIGHT
(ABKW) 2.720 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 4.520 INCHES NOMINAL
OVERALL WIDTH
(ABMK) 4.520 INCHES NOMINAL
MOUNTING FACILITY TYPE AND QUANTITY
(AXHR) 4 UNTHREADED HOLE
MOUNTING FACILITY PATTERN
(CQYJ) FOUR POSITION RECTANGULAR
OPERATING TEMP RANGE
(AFGA) -28.0 TO 85.0 CELSIUS
POWER RATING
(AJDB) 15.0 WATTS AVERAGE
SCALE DIVISION QUANTITY
(ABWG) 100
SCALE LINEARITY
(ABWF) LINEAR
VOLTAGE STANDING WAVE RATIO
(AHTW) 1.50 AND 1.80
TERMINAL TYPE AND QUANTITY
(TTQY) 2 CONNECTOR, COAXIAL, FEMALE
UNTHREADED MOUNTING HOLE DIAMETER
(AEBV) 0.149 INCHES MINIMUM AND 0.159 INCHES MAXIMUM
III APPLICATION DESIGN
(AAFS) TRANSMISSION LINE
OPERATING TEMP RANGE
(AFGA) -28.0 TO 85.0 DEG CELSIUS
OPERATING TEMP RANGE
(AFGA) -28.0/+85.0 DEG CELSIUS

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