PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIS-10263Attenuator,variable

Us Army Aviation and Missile Command · NSN 5985-00-128-1441 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-128-1441 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-128-1441. Primary manufacturer part number: MIS-10263.
Features
  • Attenuator,variable — FSC 5985
  • Application Design: TRANSMISSION LINE
  • Voltage Standing Wave Ratio: 1.50
  • Insertion Loss at Minimum Attenuation in Maximum Decibels: 1.5
  • Frequency Range: 0.000 HERTZ MINIMUM AND 1.000 GIGAHERTZ MAXIMUM
  • Operating Temp Range: +4.0 TO 40.0 CELSIUS DEGC
  • Impedance Rating in Ohms: 50.0 INPUT-OUTPUT
  • 2 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-128-1441, 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 Us Army Aviation and Missile Command. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-128-1441
Primary Part NumberMIS-10263
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Application DesignTRANSMISSION LINE
Voltage Standing Wave Ratio1.50
Insertion Loss at Minimum Attenuation in Maximum Decibels1.5
Frequency Range0.000 HERTZ MINIMUM AND 1.000 GIGAHERTZ MAXIMUM
Operating Temp Range+4.0 TO 40.0 CELSIUS DEGC
Impedance Rating in Ohms50.0 INPUT-OUTPUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5940-00-552-48841340T-1 INTERCHANGEABLE
Terminal,stud
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5945-00-764-264241NB30AFM INTERCHANGEABLE
Relay,electromagnetic
Siemens Energy and Automation Inc Siemens Furnas Controls Div
5985-00-957-1860355D INTERCHANGEABLE
Attenuator,variable
Keysight Technologies Inc
Cross-Reference Index
Part NumberManufacturer
464A Kay Elemetrics Corporation (USA)
MIS-10263 PRIMARY Us Army Aviation and Missile Command (USA)
Related Parts
5940-00-552-4884INTERCHANGEABLE
TERMINAL,STUD
1340T-1
5945-00-764-2642INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
41NB30AFM
5985-00-957-1860INTERCHANGEABLE
ATTENUATOR,VARIABLE
355D

Frequently Asked Questions

What is NSN 5985-00-128-1441?

NSN 5985-00-128-1441 is a Attenuator,variable, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-128-1441?

NSN 5985-00-128-1441 has 2 cross-referenced part numbers: 464A (Kay Elemetrics Corporation), MIS-10263 (Us Army Aviation and Missile Command).

What NSN replaces 5985-00-128-1441?

There are 3 known substitutes for 5985-00-128-1441: 5940-00-552-4884, 5945-00-764-2642, 5985-00-957-1860. Verify interchangeability with system specifications before substitution.

What are the specifications of MIS-10263?

Key specifications for MIS-10263: Application Design: TRANSMISSION LINE; Voltage Standing Wave Ratio: 1.50; Insertion Loss at Minimum Attenuation in Maximum Decibels: 1.5; Frequency Range: 0.000 HERTZ MINIMUM AND 1.000 GIGAHERTZ MAXIMUM. 6 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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