PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0S46UOscilloscope

Joint Electronics Type Designation System · NSN 6625-00-643-2277 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-643-2277 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-643-2277. Primary manufacturer part number: 0S46U.
Features
  • Oscilloscope — FSC 6625
  • Current Type: AC
  • Beam Quantity: 1
  • Mounting Method: TABLE
  • Voltage Rating: 115.0 VOLTS MINIMUM AND 230.0 VOLTS MAXIMUM
  • Screen Size: 5.000 IN. IN
  • Phase: SINGLE
  • Single Trigger Sweep Duration: 0.5 SECONDS MINIMUM AND 0.033 MILLISECONDS MAXIMUM MS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Oscilloscope, cataloged under National Stock Number 6625-00-643-2277, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Joint Electronics Type Designation System. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6625-00-643-2277
Primary Part Number0S46U
Item NameOscilloscope
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusCANCELLED
Current TypeAC
Beam Quantity1
Mounting MethodTABLE
Voltage Rating115.0 VOLTS MINIMUM AND 230.0 VOLTS MAXIMUM
Screen Size5.000 IN. IN
PhaseSINGLE
Single Trigger Sweep Duration0.5 SECONDS MINIMUM AND 0.033 MILLISECONDS MAXIMUM MS
X-Axis Input Impedance Rating2.0 MEGOHMS NOMINAL
Z-Axis Input Impedance Rating0.2 MEGOHMS NOMINAL
Reference Number Differentiating CharacteristicsW/SPARES
X-Axis Frequency Response Rating0.0 KILOHERTZ MINIMUM AND 100.0 KILOHERTZ MAXIMUM
Horizontal Deflection Sensitivity Voltage Rating100.0 MILLIVOLTS NOMINAL RMS PER INCH
Direct Connection Horizontal Deflection Sensitivity Voltage Rating15.0 VOLTS MINIMUM RMS PER INCH AND 18.0 VOLTS MAXIMUM RMS PER INCH
Y-Axis Input Impedance Rating2.0 MEGOHMS NOMINAL
Y-Axis Frequency Response Rating0.0 KILOHERTZ MINIMUM AND 100.0 KILOHERTZ MAXIMUM
Direct Connection Vertical Deflection Sensitivity Voltage Rating12.0 VOLTS MINIMUM RMS PER INCH AND 14.0 VOLTS MAXIMUM RMS PER INCH
Trigger Sweep Voltage Amplitude Rating180.0 VOLTS MAXIMUM
Sweep Frequency Range+2.0 TO 30000.0 HERTZ
Vertical Deflection Sensitivity Voltage Rating9.0 MILLIVOLTS NOMINAL RMS PER INCH
Frequency Rating50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM
Accessory Components and Quantity1 BEZEL,1 FILTER COLOR,1 SCALE ILLUMINATED GRANDULATED
Current TypeAC
Beam Quantity1
Mounting MethodTABLE
Voltage Rating115.0 VOLTS MINIMUM AND 230.0 VOLTS MAXIMUM
Screen Size5.000 IN. IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
No Item Name Available
5961-00-107-3886 INTERCHANGEABLE
Semiconductor Device,diode
3695-00-496-5995 INTERCHANGEABLE
Clamp Assembly
6625-00-539-9274D24697 INTERCHANGEABLE
Oscilloscope
Viking Technologies, Ltd.
4820-00-903-82733712M2B INTERCHANGEABLE
Valve,globe
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
Cross-Reference Index
Part NumberManufacturer
0S46U Joint Electronics Type Designation System (USA)
1622K Thales Components Corp Div Thales Components Corporation (USA)
304A Bae Systems Information and Electronic Systems Integration Inc. (USA)
1622A Bae Systems Information and Electronic Systems Integration Inc. (USA)
304A Thales Components Corp Div Thales Components Corporation (USA)
Related Parts
6625-00-031-0480SUCCESSOR
NO ITEM NAME AVAILABLE
5961-00-107-3886INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
3695-00-496-5995INTERCHANGEABLE
CLAMP ASSEMBLY
6625-00-539-9274INTERCHANGEABLE
OSCILLOSCOPE
D24697
4820-00-903-8273INTERCHANGEABLE
VALVE,GLOBE
3712M2B

Frequently Asked Questions

What is NSN 6625-00-643-2277?

NSN 6625-00-643-2277 is a Oscilloscope, manufactured by Joint Electronics Type Designation System, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-643-2277?

NSN 6625-00-643-2277 has 5 cross-referenced part numbers: 0S46U (Joint Electronics Type Designation System), 1622K (Thales Components Corp Div Thales Components Corporation), 304A (Bae Systems Information and Electronic Systems Integration Inc.), 1622A (Bae Systems Information and Electronic Systems Integration Inc.), 304A (Thales Components Corp Div Thales Components Corporation).

What NSN replaces 6625-00-643-2277?

There are 5 known substitutes for 6625-00-643-2277: 6625-00-031-0480, 5961-00-107-3886, 3695-00-496-5995 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0S46U?

Key specifications for 0S46U: Current Type: AC; Beam Quantity: 1; Mounting Method: TABLE; Overall Height: 13.500 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-643-2277 still in active supply?

NSN 6625-00-643-2277 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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