PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

60903Attenuator,variable

Waveline Inc · NSN 5985-00-509-0259 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-509-0259 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-509-0259. Primary manufacturer part number: 60903.
Features
  • Attenuator,variable — FSC 5985
  • Voltage Standing Wave Ratio: 1.15
  • Body Style: WAVEGUIDE TYPE
  • Waveguide Flange Designation: UG-136/BU
  • Adjustment Device Type and Quantity: 1 KNOB
  • Frequency Range: 8.200 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
  • Overall Attenuation Range in Decibels: +0.0 TO 30.0
  • Center to Center Distance Between Mounting Facilities Parallel to Height: 1.220 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-509-0259, 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 Waveline Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-509-0259
Primary Part Number60903
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerWaveline Inc
StatusACTIVE
Voltage Standing Wave Ratio1.15
Body StyleWAVEGUIDE TYPE
Waveguide Flange DesignationUG-136/BU
Adjustment Device Type and Quantity1 KNOB
Frequency Range8.200 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
Overall Attenuation Range in Decibels+0.0 TO 30.0
Center to Center Distance Between Mounting Facilities Parallel to Height1.220 INCHES NOMINAL IN
Waveguide Flange TypeCHOKE
Application DesignWAVEGUIDE
Mounting Facility PatternFOUR POSITION RECTANGULAR
Mounting Facility Nominal Screw Thread Diameter0.164 INCHES IN
Mounting Facility Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Center to Center Distance Between Mounting Facilities Parallel to Width1.280 INCHES NOMINAL IN
Mounting Thread Quantity32 PER INCH
Insertion Loss at Minimum Attenuation in Maximum Decibels0.5
Terminal Type and Quantity2 FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-408-385960TR004 INTERCHANGEABLE
Semiconductor Device Set
Virginia Electronics Co Inc
6625-00-990-3379 INTERCHANGEABLE
Ammeter
Cross-Reference Index
Part NumberManufacturer
60903 PRIMARY Waveline Inc (USA)
2142519-1 Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA)
223407 PRIMARY Microtech Inc Dba Microtech Inc (USA)
AR3590 PRIMARY Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc (USA)
Related Parts
5961-00-408-3859INTERCHANGEABLE
SEMICONDUCTOR DEVICE SET
60TR004
6625-00-990-3379INTERCHANGEABLE
AMMETER

Frequently Asked Questions

What is NSN 5985-00-509-0259?

NSN 5985-00-509-0259 is a Attenuator,variable, manufactured by Waveline Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-509-0259?

NSN 5985-00-509-0259 has 4 cross-referenced part numbers: 60903 (Waveline Inc), 2142519-1 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div), 223407 (Microtech Inc Dba Microtech Inc), AR3590 (Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc).

What NSN replaces 5985-00-509-0259?

There are 2 known substitutes for 5985-00-509-0259: 5961-00-408-3859, 6625-00-990-3379. Verify interchangeability with system specifications before substitution.

What are the specifications of 60903?

Key specifications for 60903: Voltage Standing Wave Ratio: 1.15; Body Style: WAVEGUIDE TYPE; Waveguide Flange Designation: UG-136/BU; Adjustment Device Type and Quantity: 1 KNOB. 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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