PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

773-1Attenuator,fixed

Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq · NSN 5985-00-134-9901 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-134-9901 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-134-9901. Primary manufacturer part number: 773-1.
Features
  • Attenuator,fixed — FSC 5985
  • Application Design: TRANSMISSION LINE
  • Mounting Method: CONNECTOR
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
  • Voltage Standing Wave Ratio: 1.20 AND 1.25
  • Power Rating: 2.0 WATTS AVERAGE AND 300.0 WATTS PEAK
  • Output Impedance Rating in Ohms: 50.0
  • Attenuation Accuracy in Decibels: -0.50 TO 0.50
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-00-134-9901, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-134-9901
Primary Part Number773-1
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNarda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
StatusACTIVE
Application DesignTRANSMISSION LINE
Mounting MethodCONNECTOR
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Voltage Standing Wave Ratio1.20 AND 1.25
Power Rating2.0 WATTS AVERAGE AND 300.0 WATTS PEAK
Output Impedance Rating in Ohms50.0
Attenuation Accuracy in Decibels-0.50 TO 0.50
Attenuation Accuracy Reference Frequency6.0 GIGAHERTZ
Coaxial Connector Series DesignationN
Terminal Type and Quantity2 CONNECTOR
Input Impedance Rating in Ohms50.0
Overall Diameter0.625 INCHES NOMINAL IN
Connection Type Per FunctionFEMALE INPUT AND MALE OUTPUT
Voltage Standing Wave Ratio Frequency Range+0.0 TO 3.0 GIGAHERTZ AND +3.0 TO 6.0 GIGAHERTZ
Rf Signal Attenuation in Decibels1.0
Frequency Range0.000 HERTZ MINIMUM AND 6.000 GIGAHERTZ MAXIMUM
Unpackaged Unit Weight2.400 OUNCES OZ
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-086-33947731 INTERCHANGEABLE
Reactor
Coast/advanced Chip Magnetics, Inc.
6920-00-107-0182 INTERCHANGEABLE
Cover,housing,level
5210-00-529-0887 INTERCHANGEABLE
Indicator,dial
5306-00-575-49107731 INTERCHANGEABLE
Bolt,machine
Danuser Machine Co
5342-00-786-559177-3-1 INTERCHANGEABLE
Mount,resilient,weapon System
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
5950-00-824-4842 INTERCHANGEABLE
Reactor
5998-01-171-1789 INTERCHANGEABLE
Printed Circuit Board
Cross-Reference Index
Part NumberManufacturer
051018002 Servo Corporation of America (USA)
773-1 PRIMARY Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
Related Parts
5950-00-086-3394INTERCHANGEABLE
REACTOR
7731
6920-00-107-0182INTERCHANGEABLE
COVER,HOUSING,LEVEL
5210-00-529-0887INTERCHANGEABLE
INDICATOR,DIAL
5306-00-575-4910INTERCHANGEABLE
BOLT,MACHINE
7731
5342-00-786-5591INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
77-3-1
5950-00-824-4842INTERCHANGEABLE
REACTOR
5998-01-171-1789INTERCHANGEABLE
PRINTED CIRCUIT BOARD

Frequently Asked Questions

What is NSN 5985-00-134-9901?

NSN 5985-00-134-9901 is a Attenuator,fixed, manufactured by Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-134-9901?

NSN 5985-00-134-9901 has 2 cross-referenced part numbers: 051018002 (Servo Corporation of America), 773-1 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq).

What NSN replaces 5985-00-134-9901?

There are 7 known substitutes for 5985-00-134-9901: 5950-00-086-3394, 6920-00-107-0182, 5210-00-529-0887 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 773-1?

Key specifications for 773-1: Application Design: TRANSMISSION LINE; Mounting Method: CONNECTOR; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Voltage Standing Wave Ratio: 1.20 AND 1.25. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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