PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4791Attenuator,variable

Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq · NSN 5985-01-023-3160 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-023-3160 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-023-3160. Primary manufacturer part number: 4791.
Features
  • Attenuator,variable — FSC 5985
  • Adjustment Device Type and Quantity: 1 SLOTTED SCREW
  • Application Design: TRANSMISSION LINE
  • Frequency Range: 4.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
  • Mounting Facility Type and Quantity: 2 CONNECTOR
  • Voltage Standing Wave Ratio: 1.30 AND 1.50
  • Coaxial Connector Series Designation: SMA
  • Power Rating: 5.0 WATTS AVERAGE AND 3.0 KILOWATTS PEAK
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-01-023-3160, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-023-3160
Primary Part Number4791
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNarda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
StatusACTIVE
Adjustment Device Type and Quantity1 SLOTTED SCREW
Application DesignTRANSMISSION LINE
Frequency Range4.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Mounting Facility Type and Quantity2 CONNECTOR
Voltage Standing Wave Ratio1.30 AND 1.50
Coaxial Connector Series DesignationSMA
Power Rating5.0 WATTS AVERAGE AND 3.0 KILOWATTS PEAK
Terminal Type and Quantity2 CONNECTOR, COAXIAL, FEMALE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-404-570490J200 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5945-00-539-2955 INTERCHANGEABLE
Relay,electromagnetic
1680-00-679-20374799 INTERCHANGEABLE
Strip,wear,seat
B/e Aerospace Inc Dba Interturbine
5950-01-045-16944791 INTERCHANGEABLE
Transformer,power
A M I/ Coast Magnetics Inc. Dba Coast Magnetics
4730-01-148-9439 INTERCHANGEABLE
Plug,cleanout
4610-01-191-42444799-00 INTERCHANGEABLE
Vessel Bracket Assembly
Pentair Filtration Solutions, Llc
3040-01-292-1590SA-2676 INTERCHANGEABLE
Shaft,shouldered
Woodward Controls Inc.
6510-01-315-8450 INTERCHANGEABLE
Bandage,cast,impregnated
5950-01-342-42744791 INTERCHANGEABLE
Coil Assembly,electrical
Prem Magnetics Inc
3040-01-507-7982SA-2678 INTERCHANGEABLE
Shaft,shouldered
Woodward Controls Inc.
Cross-Reference Index
Part NumberManufacturer
4791 PRIMARY Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
91489467 Thales Sa (FRA)
4799 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
6458770-1 Honeywell Intl Inc Defense Avionics Systems (USA)
Related Parts
5905-00-404-5704INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
90J200
5945-00-539-2955INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
1680-00-679-2037INTERCHANGEABLE
STRIP,WEAR,SEAT
4799
5950-01-045-1694INTERCHANGEABLE
TRANSFORMER,POWER
4791
4730-01-148-9439INTERCHANGEABLE
PLUG,CLEANOUT
4610-01-191-4244INTERCHANGEABLE
VESSEL BRACKET ASSEMBLY
4799-00
3040-01-292-1590INTERCHANGEABLE
SHAFT,SHOULDERED
SA-2676
6510-01-315-8450INTERCHANGEABLE
BANDAGE,CAST,IMPREGNATED
5950-01-342-4274INTERCHANGEABLE
COIL ASSEMBLY,ELECTRICAL
4791
3040-01-507-7982INTERCHANGEABLE
SHAFT,SHOULDERED
SA-2678
5340-01-546-9871INTERCHANGEABLE
STANDOFF,THREADED,SPACING
4799
8040-01-656-7830INTERCHANGEABLE
ADHESIVE
4799

Frequently Asked Questions

What is NSN 5985-01-023-3160?

NSN 5985-01-023-3160 is a Attenuator,variable, 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 5985-01-023-3160?

NSN 5985-01-023-3160 has 4 cross-referenced part numbers: 4791 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), 91489467 (Thales Sa), 4799 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), 6458770-1 (Honeywell Intl Inc Defense Avionics Systems).

What NSN replaces 5985-01-023-3160?

There are 12 known substitutes for 5985-01-023-3160: 5905-00-404-5704, 5945-00-539-2955, 1680-00-679-2037 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4791?

Key specifications for 4791: Overall Length: 3.125 INCHES NOMINAL IN; Adjustment Device Type and Quantity: 1 SLOTTED SCREW; Application Design: TRANSMISSION LINE; Frequency Range: 4.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM. 9 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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