PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4050ATTest Set,insulation Breakdown

Associated Research Incorporated · NSN 6625-01-266-1782 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-266-1782 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-266-1782. Primary manufacturer part number: 4050AT.
Features
  • Test Set,insulation Breakdown — FSC 6625
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
  • Test Lead Quantity: 2
  • Circuit Overload Protection Device: CIRCUIT BREAKER
  • AC Voltage Rating: 120.0 VOLTS NOMINAL
  • Meter Quantity: 1
  • Wire Termination Type: CONNECTOR
  • Wire Lead Length: 60.000 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Test Set,insulation Breakdown, cataloged under National Stock Number 6625-01-266-1782, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Associated Research Incorporated. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-01-266-1782
Primary Part Number4050AT
Item NameTest Set,insulation Breakdown
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerAssociated Research Incorporated
StatusACTIVE
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
Test Lead Quantity2
Circuit Overload Protection DeviceCIRCUIT BREAKER
AC Voltage Rating120.0 VOLTS NOMINAL
Meter Quantity1
Wire Termination TypeCONNECTOR
Wire Lead Length60.000 INCHES NOMINAL IN
PhaseSINGLE
Leakage Indicator TypeMETER
Scale Range+0.0 TO 5.0 KILOVOLTS
Output Current TypeAC
Installation DesignBENCH
Meter TypeVOLTMETER
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
Test Lead Quantity2
Circuit Overload Protection DeviceCIRCUIT BREAKER
AC Voltage Rating120.0 VOLTS NOMINAL
Meter Quantity1
Wire Termination TypeCONNECTOR
Wire Lead Length60.000 INCHES NOMINAL IN
PhaseSINGLE
Leakage Indicator TypeMETER
Scale Range+0.0 TO 5.0 KILOVOLTS
Output Current TypeAC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeU
SMR CodeLU
Verified Substitutes 4
3110-00-190-92604050 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
6680-00-490-3434 INTERCHANGEABLE
Tachometer,mechanical,handheld
6645-00-724-61204050A INTERCHANGEABLE
Balance Assembly
Wakmann Watch Company Inc
4910-01-237-02924070 INTERCHANGEABLE
Mounter and Demounter,pneumatic
Hennessy Industries, Llc.
Cross-Reference Index
Part NumberManufacturer
4050AT Associated Research Incorporated (USA)
4050A Associated Research Incorporated (USA)
Related Parts
3110-00-190-9260INTERCHANGEABLE
BEARING,BALL,ANNULAR
4050
6680-00-490-3434INTERCHANGEABLE
TACHOMETER,MECHANICAL,HANDHELD
6645-00-724-6120INTERCHANGEABLE
BALANCE ASSEMBLY
4050A
4910-01-237-0292INTERCHANGEABLE
MOUNTER AND DEMOUNTER,PNEUMATIC
4070

Frequently Asked Questions

What is NSN 6625-01-266-1782?

NSN 6625-01-266-1782 is a Test Set,insulation Breakdown, manufactured by Associated Research Incorporated, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-266-1782?

NSN 6625-01-266-1782 has 2 cross-referenced part numbers: 4050AT (Associated Research Incorporated), 4050A (Associated Research Incorporated).

What NSN replaces 6625-01-266-1782?

There are 4 known substitutes for 6625-01-266-1782: 3110-00-190-9260, 6680-00-490-3434, 6645-00-724-6120 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4050AT?

Key specifications for 4050AT: Frequency Rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM; Test Lead Quantity: 2; Circuit Overload Protection Device: CIRCUIT BREAKER; AC Voltage Rating: 120.0 VOLTS NOMINAL. 30 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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