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NSN 5985-00-432-7654, 5985004327654
ATTENUATOR,VARIABLE

Federal Supply Classification
FSC 5985 - Antennas, Waveguides, and Related Equipment
National Item Identification Number
NIIN 004327654
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 5985-00-432-7654

National Stock Number (NSN) 5985-00-432-7654, or NIIN 004327654, (attenuator,variable) was assigned May 5, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number 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, 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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (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 5985004327654 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) +0.0/+45.0
DISTANCE BETWEEN MOUNTING FACILITY CENTERS
(AEJN) 2.125 INCHES NOMINAL
ADJUSTMENT DEVICE TYPE AND QUANTITY
(CQTQ) 1 SHAFT
ATTENUATION PER STEP IN DECIBELS
(ASYH) 1.0
ATTENUATION VARIATION METHOD
(ASYF) STEPPED
BODY DIAMETER
(ABPM) 2.750 INCHES NOMINAL
BODY LENGTH
(ADAQ) 6.438 INCHES MAXIMUM
BODY STYLE
(AAQL) CYLINDRICAL W/SIDE TERMINALS
OPERATING TEMP RANGE
(AFGA) +0.0 TO 65.0 DEG CELSIUS
OVERALL ATTENUATION RANGE IN DECIBELS
(ASYD) +0.0 TO 45.0
OVERALL LENGTH
(ABHP) 6.938 INCHES MAXIMUM
OVERALL WIDTH
(ABMK) 3.532 INCHES NOMINAL
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER
(CRYY) 0.164 INCHES
MOUNTING FACILITY PATTERN
(CQYJ) TWO POSITION IN-LINE
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR
(AKEJ) UNC
MOUNTING FACILITY TYPE AND QUANTITY
(AXHR) 1 BRACKET AND 2 THREADED HOLE
MOUNTING THREAD QUANTITY
(CGGK) 32 PER INCH
SHAFT DIAMETER
(ABWV) 0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
SHAFT LENGTH
(ABXF) 0.500 INCHES NOMINAL
SHAFT TYPE
(CRSJ) ROUND
SPECIAL FEATURES
(FEAT) FOUR UNIT TANDEM TYPE,CYLINDRICAL W/SIDE TERMINALS,6.875 IN. LG OVERALL
STEP POSITION QUANTITY
(ASYG) 45
TERMINAL TYPE AND QUANTITY
(TTQY) 16 TAB, SOLDER LUG
OPERATING TEMP RANGE
(AFGA) +0.0/+65.0 DEG CELSIUS

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