PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3722Attenuator,variable

Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq · NSN 5985-00-287-7309 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-287-7309 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-287-7309. Primary manufacturer part number: 3722.
Features
  • Attenuator,variable — FSC 5985
  • Application Design: TRANSMISSION LINE
  • Coaxial Connector Series Designation: N
  • Mounting Facility Pattern: FOUR POSITION RECTANGULAR
  • Frequency Range: 950.000 MEGAHERTZ MINIMUM AND 1.250 GIGAHERTZ MAXIMUM
  • Overall Attenuation Range in Decibels: +5.0 TO 90.0
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 6.719 INCHES NOMINAL IN
  • Mounting Facility Nominal Screw Thread Diameter: 0.164 INCHES IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-287-7309, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5985-00-287-7309
Primary Part Number3722
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNarda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
StatusACTIVE
Application DesignTRANSMISSION LINE
Coaxial Connector Series DesignationN
Mounting Facility PatternFOUR POSITION RECTANGULAR
Frequency Range950.000 MEGAHERTZ MINIMUM AND 1.250 GIGAHERTZ MAXIMUM
Overall Attenuation Range in Decibels+5.0 TO 90.0
Center to Center Distance Between Mounting Facilities Parallel to Length6.719 INCHES NOMINAL IN
Mounting Facility Nominal Screw Thread Diameter0.164 INCHES IN
Impedance Rating in Ohms50.0 INPUT-OUTPUT
Scale LinearityLINEAR
Overall Attenuation Accuracy in Decibels-1.00 TO 1.00
Scale Division Quantity90
Adjustment Device Type and Quantity1 KNOB
Voltage Standing Wave Ratio1.75
Body StyleCOAXIAL TYPE
Power Rating200.0 WATTS AVERAGE AND 2.0 KILOWATTS PEAK
Mounting Facility Type and Quantity4 THREADED HOLE(S)
Mounting Facility Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Insertion Loss at Minimum Attenuation in Maximum Decibels5.0
Attenuation Variation MethodCONTINUOUS
Center to Center Distance Between Mounting Facilities Parallel to Width2.844 INCHES NOMINAL IN
Mounting Thread Quantity32 PER INCH
Terminal Type and Quantity2 CONNECTOR, COAXIAL, FEMALE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6810-00-174-6585 INTERCHANGEABLE
Sodium Hydroxide
6135-00-221-4720C18.1M-40-2000-0000 INTERCHANGEABLE
Battery,nonrechargeable
American National Standards Institute Incorporated Dba American National Standards Institute
6810-00-234-8373 INTERCHANGEABLE
Sodium Hydroxide
5340-00-356-3584372-2 INTERCHANGEABLE
Bumper
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
2590-00-594-6176 INTERCHANGEABLE
Cable Assy,special
5120-00-595-90173722 INTERCHANGEABLE
Wrench,open End
Martin Sprocket and Gear Inc
6625-00-648-8685 INTERCHANGEABLE
Ohmmeter
4920-01-043-9752372-2 INTERCHANGEABLE
Detector,voltage
General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations
6750-01-066-99213722 INTERCHANGEABLE
Plate,photographic
Horizons Incorporated Div Imaging Systems Group
6610-01-223-31923722 INTERCHANGEABLE
Cap,end
Kearflex Engineering Company
Cross-Reference Index
Part NumberManufacturer
3722 PRIMARY Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
Related Parts
6810-00-174-6585INTERCHANGEABLE
SODIUM HYDROXIDE
6135-00-221-4720INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
C18.1M-40-2000-0000
6810-00-234-8373INTERCHANGEABLE
SODIUM HYDROXIDE
5340-00-356-3584INTERCHANGEABLE
BUMPER
372-2
2590-00-594-6176INTERCHANGEABLE
CABLE ASSY,SPECIAL
5120-00-595-9017INTERCHANGEABLE
WRENCH,OPEN END
3722
6625-00-648-8685INTERCHANGEABLE
OHMMETER
4920-01-043-9752INTERCHANGEABLE
DETECTOR,VOLTAGE
372-2
6750-01-066-9921INTERCHANGEABLE
PLATE,PHOTOGRAPHIC
3722
6610-01-223-3192INTERCHANGEABLE
CAP,END
3722
5915-01-313-7765INTERCHANGEABLE
FILTER,BAND PASS
3722
5975-01-443-3044INTERCHANGEABLE
INTERCONNECTING CABINET
3722

Frequently Asked Questions

What is NSN 5985-00-287-7309?

NSN 5985-00-287-7309 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 5985-00-287-7309?

NSN 5985-00-287-7309 has 1 cross-referenced part number: 3722 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq).

What NSN replaces 5985-00-287-7309?

There are 12 known substitutes for 5985-00-287-7309: 6810-00-174-6585, 6135-00-221-4720, 6810-00-234-8373 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3722?

Key specifications for 3722: Application Design: TRANSMISSION LINE; Coaxial Connector Series Designation: N; Mounting Facility Pattern: FOUR POSITION RECTANGULAR; Frequency Range: 950.000 MEGAHERTZ MINIMUM AND 1.250 GIGAHERTZ MAXIMUM. 25 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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