Product Details | FIXED ATTENUATOR

5985-00-318-1840 A device for reducing the strength of an alternating current signal by a fixed or predetermined amount, without causing appreciable signal distortion, by maintaining correct impedance match.

Part Alternates: 2518351, 251835-1, 72040, 720-40, 5985-00-318-1840, 00-318-1840, 5985003181840, 003181840

Electrical and Electronic Equipment Components | Antennas, Waveguides, and Related Equipment

Supply Group (FSG) NSN Assign. NIIN
59 11 NOV 1973 00-318-1840

Drawings & Photos | NSN 5985-00-318-1840


Cross Reference | NSN 5985-00-318-1840

Part Number Cage Code Manufacturer
251835-1 82577 RAYTHEON COMPANY DBA RAYTHEON
720-40 99899 L-3 COMMUNICATIONS CORPORATION DBA NARDA MICROWAVE EAST

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Technical Data | NSN 5985-00-318-1840

Characteristic Specifications
APPLICATION DESIGN WAVEGUIDE
FREQUENCY RANGE 8.200 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
VOLTAGE STANDING WAVE RATIO 1.20
VOLTAGE STANDING WAVE RATIO FREQUENCY RANGE 8.2 TO 12.4 GIGAHERTZ
RF SIGNAL ATTENUATION IN DECIBELS 40.0
ATTENUATION ACCURACY IN DECIBELS -0.50 TO 0.50
FREQUENCY SENSITIVITY ATTENUATION IN DECIBELS NOT RATED
POWER RATING 2.0 WATTS AVERAGE
OPERATING TEMP RANGE 0.0 TO 71.0 DEG CELSIUS
TEMPERATURE SENSITIVITY ATTENUATION IN DECIBELS NOT RATED
BODY STYLE 9B RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES
OVERALL LENGTH 2.000 INCHES NOMINAL
OVERALL HEIGHT 1.625 INCHES NOMINAL
OVERALL WIDTH 1.625 INCHES NOMINAL
INSIDE WIDTH 0.900 INCHES NOMINAL
INSIDE HEIGHT 0.400 INCHES NOMINAL
BODY MATERIAL ALUMINUM
BODY SURFACE TREATMENT CHROMIUM PLATED
TERMINAL TYPE AND QUANTITY 2 FLANGE
WAVEGUIDE FLANGE DESIGNATION UG-39/U
WAVEGUIDE FLANGE TYPE COVER
CONNECTION TYPE PER FUNCTION FEMALE INPUT-OUTPUT
WAVEGUIDE DESIGNATION RG-52/U
MOUNTING METHOD TERMINAL W/MOUNTING HOLES
MOUNTING HOLE/STUD QUANTITY 4
UNTHREADED MOUNTING HOLE DIAMETER 0.169 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH 1.280 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH 1.220 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5985-00-318-1840

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere is no information in the HMIS; 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
Demilitarization Code:DMunitions List Item or Commerce Control List Item. Demilitarization required. Total destruction of the item and components so as to preclude restoration or repair to a usable condition by melting, cutting, tearing, scratching, crushing, breaking, punching, neutralizing, etc. (As an alternate, burial or deep water dumping may be used when coordinated with the DoD Demilitarization Program Office.)
Controlled Inventory Item Code:7NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7).
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 060535 AERIAL/ANTENNAS DIRECTIONAL
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 723 unknown
Originating Activity Code TX Defense Supply Center Columbus
Columbus, OH 43218
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5985-00-318-1840

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item Code7NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7).
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each