PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1640EOscilloscope

Bae Systems Information and Electronic Systems Integration Inc. · NSN 6625-00-557-0249 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-557-0249 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-557-0249. Primary manufacturer part number: 1640E.
Features
  • Oscilloscope — FSC 6625
  • Beam Quantity: 1
  • Current Type: AC
  • Accessory Components and Quantity: 2 ADAPTERS,2 CABLES,3 PROBES,1 SCALE,CALIBRATED
  • Mounting Method: PORTABLE
  • Voltage Rating: 115.0 VOLTS NOMINAL
  • Y-Axis Input Impedance Rating: 1.5 MEGOHMS NOMINAL
  • Nondefinitive Spec/std Data: AN/USM-32 TYPE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Oscilloscope, cataloged under National Stock Number 6625-00-557-0249, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6625-00-557-0249
Primary Part Number1640E
Item NameOscilloscope
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc.
StatusCANCELLED
Beam Quantity1
Current TypeAC
Accessory Components and Quantity2 ADAPTERS,2 CABLES,3 PROBES,1 SCALE,CALIBRATED
Mounting MethodPORTABLE
Voltage Rating115.0 VOLTS NOMINAL
Y-Axis Input Impedance Rating1.5 MEGOHMS NOMINAL
Nondefinitive Spec/std DataAN/USM-32 TYPE
Y-Axis Frequency Response Rating10.0 HERTZ MINIMUM AND 7000000.0 HERTZ MAXIMUM
PhaseSINGLE
Sweep Frequency Range+45.000 TO 55000.000 HERTZ
X-Axis Frequency Response Rating10.0 HERTZ MINIMUM AND 4000000.0 HERTZ MAXIMUM
Trigger Sweep Voltage Amplitude Rating100.0 VOLTS NOMINAL
Direct Connection Vertical Deflection Sensitivity Voltage Rating15.0 VOLTS MINIMUM RMS PER INCH AND 18.0 VOLTS MAXIMUM RMS PER INCH
Vertical Deflection Sensitivity Voltage Rating100.0 MILLIVOLTS NOMINAL RMS PER INCH
Single Trigger Sweep Duration1.0 MICROSECONDS MINIMUM AND 2.0 MICROSECONDS MAXIMUM US
X-Axis Input Impedance Rating1.0 MEGOHMS NOMINAL
Frequency Rating50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM
Screen Size3 IN. IN
Beam Quantity1
Current TypeAC
Accessory Components and Quantity2 ADAPTERS,2 CABLES,3 PROBES,1 SCALE,CALIBRATED
Mounting MethodPORTABLE
Voltage Rating115.0 VOLTS NOMINAL
Y-Axis Input Impedance Rating1.5 MEGOHMS NOMINAL
Nondefinitive Spec/std DataAN/USM-32 TYPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
No Item Name Available
6625-00-470-2722301A SUCCESSOR
Voltmeter
North Atlantic Industries, Inc. Dba North Atlantic Industries
6625-00-600-9621301A SUCCESSOR
Osometer Vapor Pressure
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
6680-00-016-5538301CP INTERCHANGEABLE
Indicator,liquid Quantity
Stewart-Warner Corporation
5905-00-108-4316 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5905-00-112-4308 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
5330-00-132-1415301A INTERCHANGEABLE
Gasket
Tank Truck Mfg Inc
5905-00-175-5578J44516 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Rockwell Automation, Inc. Dba Rockwell Automation
6220-00-491-05071265-99A INTERCHANGEABLE
Lens,light
Perko Inc
6625-00-519-1954ANUSM32 INTERCHANGEABLE
Oscilloscope
Joint Electronics Type Designation System
Cross-Reference Index
Part NumberManufacturer
1640E Bae Systems Information and Electronic Systems Integration Inc. (USA)
MIL015630 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
301A Bae Systems Information and Electronic Systems Integration Inc. (USA)
ANUSM32 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6625-00-331-2324SUCCESSOR
NO ITEM NAME AVAILABLE
6625-00-470-2722SUCCESSOR
VOLTMETER
301A
6625-00-600-9621SUCCESSOR
OSOMETER VAPOR PRESSURE
301A
6680-00-016-5538INTERCHANGEABLE
INDICATOR,LIQUID QUANTITY
301CP
5905-00-108-4316INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5905-00-112-4308INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
5330-00-132-1415INTERCHANGEABLE
GASKET
301A
5905-00-175-5578INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
J44516
6220-00-491-0507INTERCHANGEABLE
LENS,LIGHT
1265-99A
6625-00-519-1954INTERCHANGEABLE
OSCILLOSCOPE
ANUSM32
5342-00-537-5956INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
VBM-1062

Frequently Asked Questions

What is NSN 6625-00-557-0249?

NSN 6625-00-557-0249 is a Oscilloscope, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-557-0249?

NSN 6625-00-557-0249 has 4 cross-referenced part numbers: 1640E (Bae Systems Information and Electronic Systems Integration Inc.), MIL015630 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 301A (Bae Systems Information and Electronic Systems Integration Inc.), ANUSM32 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6625-00-557-0249?

There are 11 known substitutes for 6625-00-557-0249: 6625-00-331-2324, 6625-00-470-2722, 6625-00-600-9621 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1640E?

Key specifications for 1640E: Beam Quantity: 1; Overall Width: 6.625 INCHES NOMINAL IN; Current Type: AC; Overall Height: 9.375 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-557-0249 still in active supply?

NSN 6625-00-557-0249 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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