PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11553727Amplifier-Modulator

Us Army Aviation and Missile Command · NSN 5820-00-428-3921 · FSC 5820 · No Item Name Available
Verified by PartsTable
NSN 5820-00-428-3921 — this item is cataloged by the U.S. Government under National Stock Number 5820-00-428-3921. Primary manufacturer part number: 11553727.
Features
  • Amplifier-Modulator — FSC 5820
  • Electrical Power Source Relationship: OPERATING
  • DC Voltage Rating: 14.25 VOLTS MINIMUM AND 15.75 VOLTS MAXIMUM
  • 4 verified cross-references
  • Primary manufacturer: Us Army Aviation and Missile Command
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Amplifier-Modulator, cataloged under National Stock Number 5820-00-428-3921, is classified within Federal Supply Class 5820 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 2 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5820-00-428-3921
Primary Part Number11553727
Item NameAmplifier-Modulator
FSC / FSG5820 / 58 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusCANCELLED
Electrical Power Source RelationshipOPERATING
DC Voltage Rating14.25 VOLTS MINIMUM AND 15.75 VOLTS MAXIMUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5905-00-155-7005 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5975-00-280-3257 INTERCHANGEABLE
Union,electrical Conduit
4920-00-408-2982 INTERCHANGEABLE
Adapter,accelerometer
4920-00-473-540443-50 INTERCHANGEABLE
Regulator Assembly,absolute Pres
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
5905-00-478-7339 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5910-00-823-1438TVA1601 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Sprague Electric Co World Hqs
6240-01-023-0399 INTERCHANGEABLE
Lamp,incandescent
7240-01-044-5523 INTERCHANGEABLE
Can,gasoline,portable Fire Pump
6515-01-049-94494350 INTERCHANGEABLE
Calibrator-Generator,electrocard
Leica Inc Surveying and Photogrammetry Systems Div
6510-01-319-40524350 INTERCHANGEABLE
Cellulose,oxidized Regenerated
Johnson & Johnson Health Care Systems Inc.
Cross-Reference Index
Part NumberManufacturer
11553727 PRIMARY Us Army Aviation and Missile Command (USA)
697877-01 Raytheon Technical Services Company (USA)
4350 Teledyne Inc Teledyne Components Div (USA)
1793237-101 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5905-00-155-7005INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5975-00-280-3257INTERCHANGEABLE
UNION,ELECTRICAL CONDUIT
4920-00-408-2982INTERCHANGEABLE
ADAPTER,ACCELEROMETER
4920-00-473-5404INTERCHANGEABLE
REGULATOR ASSEMBLY,ABSOLUTE PRES
43-50
5905-00-478-7339INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5910-00-823-1438INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
TVA1601
6240-01-023-0399INTERCHANGEABLE
LAMP,INCANDESCENT
7240-01-044-5523INTERCHANGEABLE
CAN,GASOLINE,PORTABLE FIRE PUMP
6515-01-049-9449INTERCHANGEABLE
CALIBRATOR-GENERATOR,ELECTROCARD
4350
6510-01-319-4052INTERCHANGEABLE
CELLULOSE,OXIDIZED REGENERATED
4350
5950-01-383-4167INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
A4350
7025-01-421-7378INTERCHANGEABLE
TRANSPORT,MAGNETIC TAPE

Frequently Asked Questions

What is NSN 5820-00-428-3921?

NSN 5820-00-428-3921 is a Amplifier-Modulator, manufactured by Us Army Aviation and Missile Command, classified under FSC 5820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5820-00-428-3921?

NSN 5820-00-428-3921 has 4 cross-referenced part numbers: 11553727 (Us Army Aviation and Missile Command), 697877-01 (Raytheon Technical Services Company), 4350 (Teledyne Inc Teledyne Components Div), 1793237-101 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5820-00-428-3921?

There are 12 known substitutes for 5820-00-428-3921: 5905-00-155-7005, 5975-00-280-3257, 4920-00-408-2982 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11553727?

Key specifications for 11553727: Overall Length: 2.750 INCHES MAXIMUM IN; Overall Width: 1.550 INCHES MAXIMUM IN; Overall Height: 1.000 INCHES NOMINAL IN; Electrical Power Source Relationship: OPERATING. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5820-00-428-3921 still in active supply?

NSN 5820-00-428-3921 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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