PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

395979-1Attenuator,variable

L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products · NSN 5985-00-147-9011 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-147-9011 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-147-9011. Primary manufacturer part number: 395979-1.
Features
  • Attenuator,variable — FSC 5985
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.875 INCHES NOMINAL IN
  • Waveguide Flange Designation: UG-541A/U A
  • Waveguide Flange Type: CHOKE
  • Operating Temp Range: -54.0 TO 71.0 CELSIUS DEGC
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S)
  • Overall Attenuation Range in Decibels: +0.0 TO 40.0
  • Body Style: WAVEGUIDE TYPE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-147-9011, 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 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5985-00-147-9011
Primary Part Number395979-1
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Length2.875 INCHES NOMINAL IN
Waveguide Flange DesignationUG-541A/U A
Waveguide Flange TypeCHOKE
Operating Temp Range-54.0 TO 71.0 CELSIUS DEGC
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Overall Attenuation Range in Decibels+0.0 TO 40.0
Body StyleWAVEGUIDE TYPE
Frequency Range12.400 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Center to Center Distance Between Mounting Facilities Parallel to Width1.250 INCHES NOMINAL IN
Attenuation Variation MethodCONTINUOUS
Adjustment Device Type and Quantity1 KNOB
Terminal Type and Quantity2 FLANGE
Unthreaded Mounting Hole Diameter0.203 INCHES NOMINAL IN
Power Rating0.5 WATTS AVERAGE
Insertion Loss at Minimum Attenuation in Maximum Decibels0.5
Mounting Facility PatternFOUR POSITION RECTANGULAR
Voltage Standing Wave Ratio1.50
Application DesignWAVEGUIDE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-156-788405851AB INTERCHANGEABLE
Bearing,ball,annular
Cnh Industrial America Llc Dba Cnh America
6240-00-196-45011490 INTERCHANGEABLE
Lamp,incandescent
Ward Leonard Ct Llc
5133-00-228-1375 INTERCHANGEABLE
Drill,twist
6635-00-472-379310090 INTERCHANGEABLE
Magnetic Inspection Unit,portabl
Illinois Tool Works, Inc. Div Magnaflux
5305-00-543-2595 INTERCHANGEABLE
Screw,machine
3110-00-554-328810090 INTERCHANGEABLE
Bearing,ball,annular
Wausau Equipment Company Llc Dba Schmidt Engineering & Equipment Inc Div Wausau Equipment Llc
4820-00-555-3761269A1PP1 INTERCHANGEABLE
Valve,check
Circor Aerospace, Inc. Dba Circor Aerospace Inc
4320-00-558-005252-109-785-003 INTERCHANGEABLE
Sleeve,shaft,pump
Siemens-Allis Inc Medium Motor-Generator Div
5985-00-797-019910519328 INTERCHANGEABLE
Attenuator,variable
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
3040-00-915-54957660-103 INTERCHANGEABLE
Shaft
Bera Tilt-Top Trailer Inc
Cross-Reference Index
Part NumberManufacturer
P60-118 Microwave Engineering Corporation (USA)
10090 Telephonics Corp/prd Instruments (USA)
10090 Peraton Inc (USA)
158B Peraton Inc (USA)
395979-1 PRIMARY L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
Related Parts
3110-00-156-7884INTERCHANGEABLE
BEARING,BALL,ANNULAR
05851AB
6240-00-196-4501INTERCHANGEABLE
LAMP,INCANDESCENT
1490
5133-00-228-1375INTERCHANGEABLE
DRILL,TWIST
6635-00-472-3793INTERCHANGEABLE
MAGNETIC INSPECTION UNIT,PORTABL
10090
5305-00-543-2595INTERCHANGEABLE
SCREW,MACHINE
3110-00-554-3288INTERCHANGEABLE
BEARING,BALL,ANNULAR
10090
4820-00-555-3761INTERCHANGEABLE
VALVE,CHECK
269A1PP1
4320-00-558-0052INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
52-109-785-003
5985-00-797-0199INTERCHANGEABLE
ATTENUATOR,VARIABLE
10519328
3040-00-915-5495INTERCHANGEABLE
SHAFT
7660-103
1005-01-459-6275INTERCHANGEABLE
ACTION BAR,SUB-ASSY
10090
4810-01-542-3629INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
10090

Frequently Asked Questions

What is NSN 5985-00-147-9011?

NSN 5985-00-147-9011 is a Attenuator,variable, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-147-9011?

NSN 5985-00-147-9011 has 5 cross-referenced part numbers: P60-118 (Microwave Engineering Corporation), 10090 (Telephonics Corp/prd Instruments), 10090 (Peraton Inc), 158B (Peraton Inc), 395979-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).

What NSN replaces 5985-00-147-9011?

There are 12 known substitutes for 5985-00-147-9011: 3110-00-156-7884, 6240-00-196-4501, 5133-00-228-1375 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 395979-1?

Key specifications for 395979-1: Overall Width: 3.606 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.875 INCHES NOMINAL IN; Waveguide Flange Designation: UG-541A/U A; Waveguide Flange Type: CHOKE. 21 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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