PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

301226Attenuator,fixed

Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq · NSN 5985-00-119-4619 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-119-4619 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-119-4619. Primary manufacturer part number: 301226.
Features
  • Attenuator,fixed — FSC 5985
  • Material: STEEL BODY
  • Voltage Standing Wave Ratio Frequency Range: +0.0 TO 1.0 GIGAHERTZ AND +1.0 TO 4.0 GIGAHERTZ AND +4.0 TO 6.0 GIGAHERTZ AND +6.0 TO 11.0 GIGAHERTZ
  • Voltage Standing Wave Ratio: 1.10 AND 1.15 AND 1.20 AND 1.30
  • Attenuation Accuracy in Decibels: -0.75 TO 0.75
  • Overall Diameter: 1.500 INCHES NOMINAL IN
  • Power Rating: 20.0 WATTS AVERAGE AND 1.0 KILOWATTS PEAK
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Applications
  • Applications requiring Steel Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-00-119-4619, 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 15 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-119-4619
Primary Part Number301226
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNarda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
StatusACTIVE
MaterialSTEEL BODY
Voltage Standing Wave Ratio Frequency Range+0.0 TO 1.0 GIGAHERTZ AND +1.0 TO 4.0 GIGAHERTZ AND +4.0 TO 6.0 GIGAHERTZ AND +6.0 TO 11.0 GIGAHERTZ
Voltage Standing Wave Ratio1.10 AND 1.15 AND 1.20 AND 1.30
Attenuation Accuracy in Decibels-0.75 TO 0.75
Overall Diameter1.500 INCHES NOMINAL IN
Power Rating20.0 WATTS AVERAGE AND 1.0 KILOWATTS PEAK
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Mounting MethodCONNECTOR
Coaxial Connector Series DesignationN
Output Impedance Rating in Ohms50.0
Frequency Range0.000 HERTZ MINIMUM AND 11.000 GIGAHERTZ MAXIMUM
Terminal Type and Quantity2 CONNECTOR
Rf Signal Attenuation in Decibels20.0
Input Impedance Rating in Ohms50.0
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
1270-01-011-6264301226 INTERCHANGEABLE
Sleeve,glare
Northrop Grumman Corp Electronic Systems Defensive System Div
5133-01-119-3215 INTERCHANGEABLE
Drill,twist
4320-01-298-8281 INTERCHANGEABLE
Rotor,pump
2010-01-338-6224301226 INTERCHANGEABLE
Cap,propeller
Ships Machinery International, Inc.
Cross-Reference Index
Part NumberManufacturer
580R657H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
301226 PRIMARY Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
Related Parts
1270-01-011-6264INTERCHANGEABLE
SLEEVE,GLARE
301226
5133-01-119-3215INTERCHANGEABLE
DRILL,TWIST
4320-01-298-8281INTERCHANGEABLE
ROTOR,PUMP
2010-01-338-6224INTERCHANGEABLE
CAP,PROPELLER
301226

Frequently Asked Questions

What is NSN 5985-00-119-4619?

NSN 5985-00-119-4619 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 5985-00-119-4619?

NSN 5985-00-119-4619 has 2 cross-referenced part numbers: 580R657H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 301226 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq).

What NSN replaces 5985-00-119-4619?

There are 4 known substitutes for 5985-00-119-4619: 1270-01-011-6264, 5133-01-119-3215, 4320-01-298-8281 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 301226?

Key specifications for 301226: Material: STEEL BODY; Voltage Standing Wave Ratio Frequency Range: +0.0 TO 1.0 GIGAHERTZ AND +1.0 TO 4.0 GIGAHERTZ AND +4.0 TO 6.0 GIGAHERTZ AND +6.0 TO 11.0 GIGAHERTZ; Voltage Standing Wave Ratio: 1.10 AND 1.15 AND 1.20 AND 1.30; Attenuation Accuracy in Decibels: -0.75 TO 0.75. 16 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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