PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

415250Attenuator,variable

Frontgrade Technologies Inc. · NSN 5985-00-086-9125 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-086-9125 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-086-9125. Primary manufacturer part number: 415250.
Features
  • Attenuator,variable — FSC 5985
  • Power Rating: 2.0 WATTS AVERAGE
  • Operating Temp Range: -28.0 TO 85.0 CELSIUS DEGC
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.280 INCHES NOMINAL IN
  • Insertion Loss at Minimum Attenuation in Maximum Decibels: 0.2
  • Body Style: WAVEGUIDE TYPE
  • Adjustment Device Type and Quantity: 1 SHAFT
  • Overall Attenuation Range in Decibels: +0.0 TO 15.0
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-086-9125, 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 Frontgrade Technologies Inc.. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-086-9125
Primary Part Number415250
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerFrontgrade Technologies Inc.
StatusACTIVE
Power Rating2.0 WATTS AVERAGE
Operating Temp Range-28.0 TO 85.0 CELSIUS DEGC
Center to Center Distance Between Mounting Facilities Parallel to Width1.280 INCHES NOMINAL IN
Insertion Loss at Minimum Attenuation in Maximum Decibels0.2
Body StyleWAVEGUIDE TYPE
Adjustment Device Type and Quantity1 SHAFT
Overall Attenuation Range in Decibels+0.0 TO 15.0
Shaft Diameter0.250 INCHES NOMINAL IN
Application DesignWAVEGUIDE
Frequency Range7.000 GIGAHERTZ MINIMUM AND 11.000 GIGAHERTZ MAXIMUM
Voltage Standing Wave Ratio1.30 AND 1.35
Unthreaded Mounting Hole Diameter0.169 INCHES NOMINAL IN
Waveguide Flange DesignationUG-1494/U
Terminal Type and Quantity2 FLANGE
Center to Center Distance Between Mounting Facilities Parallel to Length1.340 INCHES NOMINAL IN
Attenuation Variation MethodCONTINUOUS
Mounting Facility PatternFOUR POSITION RECTANGULAR
Mounting Facility Type and Quantity4 TERMINAL WITH MOUNTING HOLES
Waveguide Flange TypeCHOKE
Shaft TypeROUND
Shaft Length0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5360-00-073-140922396 INTERCHANGEABLE
Spring,helical,compression
Provision, Inc. Dba Provision Inc
3830-00-402-0875 INTERCHANGEABLE
Cutting Edge,moldboard
6110-00-635-0653 INTERCHANGEABLE
Starter,motor
3510-01-184-74040150784 INTERCHANGEABLE
Muffler,laundry Press
Hoffman/new Yorker Inc
4720-01-191-5168NW22396 INTERCHANGEABLE
Hose,preformed
Tld Wollard Llc
4730-01-235-8492 INTERCHANGEABLE
Nozzle,distribution,water
6220-01-246-146122396 INTERCHANGEABLE
Light,warning
Tymco, Inc
6640-01-592-27035001-0020 INTERCHANGEABLE
Vial,cryogenic Storage
Pierce Biotechnology Inc
Cross-Reference Index
Part NumberManufacturer
22396 Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA)
415250 Litton Systems Inc Airtron Div (USA)
415250 PRIMARY Frontgrade Technologies Inc. (USA)
2181735-2 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
415250 Atlantic Microwave Corporation Div Cobham Electronic Systems (USA)
Related Parts
5360-00-073-1409INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
22396
3830-00-402-0875INTERCHANGEABLE
CUTTING EDGE,MOLDBOARD
6110-00-635-0653INTERCHANGEABLE
STARTER,MOTOR
3510-01-184-7404INTERCHANGEABLE
MUFFLER,LAUNDRY PRESS
0150784
4720-01-191-5168INTERCHANGEABLE
HOSE,PREFORMED
NW22396
4730-01-235-8492INTERCHANGEABLE
NOZZLE,DISTRIBUTION,WATER
6220-01-246-1461INTERCHANGEABLE
LIGHT,WARNING
22396
6640-01-592-2703INTERCHANGEABLE
VIAL,CRYOGENIC STORAGE
5001-0020

Frequently Asked Questions

What is NSN 5985-00-086-9125?

NSN 5985-00-086-9125 is a Attenuator,variable, manufactured by Frontgrade Technologies Inc., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-086-9125?

NSN 5985-00-086-9125 has 5 cross-referenced part numbers: 22396 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc), 415250 (Litton Systems Inc Airtron Div), 415250 (Frontgrade Technologies Inc.), 2181735-2 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 415250 (Atlantic Microwave Corporation Div Cobham Electronic Systems).

What NSN replaces 5985-00-086-9125?

There are 8 known substitutes for 5985-00-086-9125: 5360-00-073-1409, 3830-00-402-0875, 6110-00-635-0653 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 415250?

Key specifications for 415250: Power Rating: 2.0 WATTS AVERAGE; Operating Temp Range: -28.0 TO 85.0 CELSIUS DEGC; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.280 INCHES NOMINAL IN; Insertion Loss at Minimum Attenuation in Maximum Decibels: 0.2. 24 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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