Product Details | FIXED ATTENUATOR

5985-00-412-1878 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: MDC883366, MDC88336-6, A792BS, AHH66, AH-H66, WA4-6, WA46, 587-029-024, 5L517700206, 5L5177-002-06, 8493B006, 8988544, 898854-4, 161777-006, 18B6, 18B-6, 20825405, 2082-5405, 2082540506, 2082-5405-06, 20826192, 2082-6192, 3390/289/6, 33902896, 34526626, 3452662-6, 4353325, 435332-5, 47796, 4779-6, 4M6, 4M-6, 4M6DB, 506230, 5062-30, 5985-00-412-1878, 00-412-1878, 5985004121878, 161777006, 004121878, 587029024

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

Supply Group (FSG) NSN Assign. NIIN
59 02 FEB 1972 00-412-1878

Drawings & Photos | NSN 5985-00-412-1878


Demand History | NSN 5985-00-412-1878

Part Number Request Date QTY Origin
47796 2025-04-113 5 United States
47796 2025-04-107 5 United States

Cross Reference | NSN 5985-00-412-1878

Part Number Cage Code Manufacturer
161777-006 81413 BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION I
18B-6 64671 AEROFLEX / INMET, INC. DBA INMET
2082-5405 96341 COBHAM ELECTRONIC SYSTEMS INC. DBA COBHAM DEFENSE ELECTRONICS
2082-5405-06 96341 COBHAM ELECTRONIC SYSTEMS INC. DBA COBHAM DEFENSE ELECTRONICS
2082-6192 26805 TYCO ELECTRONICS CORP
3390/289/6 K1384 RACAL RADAR DEFENCE SYSTEMS LTD
3390/289/6 U4338 THALES UK LIMITED DBA THALES UK LTDDEFENCE MISSION SYSTEMS
3452662-6 93346 SENSOR AND ANTENNA SYSTEMS, LANSDALE, INC.
435332-5 00752 EDO CORPORATION DIV EDO CORPORATION AP&T
4779-6 99899 L-3 COMMUNICATIONS CORPORATION DBA NARDA MICROWAVE EAST
4M-6 93459 AEROFLEX / WEINSCHEL, INC.
4M6DB 93459 AEROFLEX / WEINSCHEL, INC.
5062-30 93459 AEROFLEX / WEINSCHEL, INC.
587-029-024 A1997 ELETTRONICA SPA
587-029-024 C3141 ELETTRONICA GMBH
5L5177-002-06 D1901 AIRBUS DEFENCE AND SPACE GMBH DIV SEPS
8493B006 1MY97 AGILENT TECHNOLOGIES, INC. DIV AGILENT TECHNOLOGIES
8493B006 28480 HEWLETT-PACKARD COMPANY DBA HEWLETT-PACKARD CO. OR HP
898854-4 3B150 RAYTHEON TECHNICAL SERVICES COMPANY LLC
898854-4 49956 RAYTHEON COMPANY DBA RAYTHEON
A792BS 64537 AEROFLEX CONTROL COMPONENTS, INC. DBA AEROFLEX / KDI
AH-H66 00929 MICROLAB/FXR
MDC88336-6 52335 DAL-TECH DEVICES, INC. DBA MICROWAVE DISTRIBUTORS COMPANY
WA4-6 0H3E9 NVISION INDUSTRIES, INC. DBA WEINSCHEL ASSOCIATES

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Technical Data | NSN 5985-00-412-1878

Characteristic Specifications
APPLICATION DESIGN WAVEGUIDE
FREQUENCY RANGE 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
VOLTAGE STANDING WAVE RATIO 1.15 AND 1.30 AND 1.35
VOLTAGE STANDING WAVE RATIO FREQUENCY RANGE 0.0 TO 4.0 GIGAHERTZ AND 4.0 TO 12.4 GIGAHERTZ AND 12.4 TO 18.0 GIGAHERTZ
RF SIGNAL ATTENUATION IN DECIBELS 6.0
ATTENUATION ACCURACY IN DECIBELS -0.30 TO 0.30
ATTENUATION ACCURACY REFERENCE FREQUENCY 18.0 GIGAHERTZ
POWER RATING 2.0 WATTS AVERAGE AND 0.2 KILOWATTS PEAK
OPERATING TEMP RANGE -40.0 TO 85.0 DEG CELSIUS
BODY STYLE 1B ROUND, TERMINAL/TERMINALS ON OPPOSITE SURFACES
OVERALL LENGTH 1.234 INCHES NOMINAL
OVERALL DIAMETER 0.380 INCHES NOMINAL
BODY MATERIAL METAL
BODY SURFACE TREATMENT ANY ACCEPTABLE
TERMINAL TYPE AND QUANTITY 2 CONNECTOR
COAXIAL CONNECTOR SERIES DESIGNATION NPM
CONNECTION TYPE PER FUNCTION FEMALE OUTPUT AND FEMALE INPUT AND MALE OUTPUT AND MALE INPUT
MOUNTING METHOD CONNECTOR
MANUFACTURERS CODE 93346
MFR SOURCE CONTROLLING REFERENCE 3452662-6

Restrictions/Controls & Freight Information | NSN 5985-00-412-1878

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:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 061700 ELEC APPLIANCES/INSTRUMENTS NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 658 unknown
Originating Activity Code ZG Germany
ZH
ZJ
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 5985-00-412-1878

Category Code Description
Materiel Category and Inventory ManagerQ Electronics Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplyS9EDefense Supply Center Columbus
Columbus, OH 43218
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Cognizance Codes9NNavy-owned stocks of defense electronic material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9EDefense Supply Center Columbus
Columbus, OH 43218
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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative