PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

122Test Set,insulation Breakdown

Sts Instruments, Inc. · NSN 6625-00-739-0957 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-739-0957 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-739-0957. Primary manufacturer part number: 122.
Features
  • Test Set,insulation Breakdown — FSC 6625
  • Output Current Type: AC
  • Wire Lead Length: 72.000 INCHES NOMINAL IN
  • Test Lead Quantity: 2
  • Meter Quantity: 2
  • Meter Type: VOLTMETER AND AMMETER
  • Wire Termination Type: CLIP
  • Scale Range: +0.0 TO 1000.0 MICROAMPS AND +0.0 TO 2500.0 VOLTS
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 6625-00-739-0957, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Sts Instruments, Inc.. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-739-0957
Primary Part Number122
Item NameTest Set,insulation Breakdown
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSts Instruments, Inc.
StatusACTIVE
Output Current TypeAC
Wire Lead Length72.000 INCHES NOMINAL IN
Test Lead Quantity2
Meter Quantity2
Meter TypeVOLTMETER AND AMMETER
Wire Termination TypeCLIP
Scale Range+0.0 TO 1000.0 MICROAMPS AND +0.0 TO 2500.0 VOLTS
Output Frequency Rating60.0 HERTZ NOMINAL
Output Voltage Rating0.400 KILOVOLTS MINIMUM AND 2100.000 KILOVOLTS MAXIMUM
Leakage Indicator TypeMETER
Frequency Rating60.000 HERTZ NOMINAL
AC Voltage Rating115.0 VOLTS NOMINAL
PhaseSINGLE
Wire Termination TypeCLIP
Output Current TypeAC
Wire Lead Length72.000 INCHES NOMINAL IN
Test Lead Quantity2
Meter Quantity2
Meter TypeVOLTMETER AND AMMETER
Scale Range+0.0 TO 1000.0 MICROAMPS AND +0.0 TO 2500.0 VOLTS
Output Frequency Rating60.0 HERTZ NOMINAL
Output Voltage Rating0.400 KILOVOLTS MINIMUM AND 2100.000 KILOVOLTS MAXIMUM
Leakage Indicator TypeMETER
Frequency Rating60.000 HERTZ NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-01-655-6339 (122)
HAZMATNo
Shelf Life Code0
Criticality CodeS
Unit of IssueEA
SMR CodeVS
Weight18.6000 lbs
Cube1.2165 cu ft
Verified Substitutes 12
6625-01-655-6339122 SUCCESSOR
Meter,electrical Frequency
Konica Minolta Sensing Americas Inc
1650-00-050-3653122-25 INTERCHANGEABLE
Parts Kit,hydraulic Motor
Hamilton Sundstrand Corporation Dba Collins Aerospace
5950-00-082-8782905480-1 INTERCHANGEABLE
Transformer,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
3110-00-120-311112225 INTERCHANGEABLE
Bearing,roller,needle
Mitsubishi Caterpillar Forklift America, Inc
5133-00-189-9270 INTERCHANGEABLE
Drill,twist
5133-00-228-1337 INTERCHANGEABLE
Drill,twist
5935-00-258-9158S-76-5185ISSUE5PT1 INTERCHANGEABLE
Adapter,connector
Raytheon Company Dba Raytheon Co
5310-00-285-7043 INTERCHANGEABLE
Washer,lock
3815-00-325-3574 INTERCHANGEABLE
Spacer,anchor Arm
6250-00-728-059911040154-1 INTERCHANGEABLE
Lampholder
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
122 Sts Instruments, Inc. (USA)
122-2-5 Sts Instruments, Inc. (USA)
Related Parts
SUCCESSOR 6625-01-655-6339 Meter,electrical Frequency · 122
1650-00-050-3653INTERCHANGEABLE
PARTS KIT,HYDRAULIC MOTOR
122-25
5950-00-082-8782INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
905480-1
3110-00-120-3111INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
12225
5133-00-189-9270INTERCHANGEABLE
DRILL,TWIST
5133-00-228-1337INTERCHANGEABLE
DRILL,TWIST
5935-00-258-9158INTERCHANGEABLE
ADAPTER,CONNECTOR
S-76-5185ISSUE5PT1
5310-00-285-7043INTERCHANGEABLE
WASHER,LOCK
3815-00-325-3574INTERCHANGEABLE
SPACER,ANCHOR ARM
6250-00-728-0599INTERCHANGEABLE
LAMPHOLDER
11040154-1
3610-00-779-1872INTERCHANGEABLE
LEVELER,SIGNATURE
12225
5330-01-044-2335INTERCHANGEABLE
GASKET
12225

Frequently Asked Questions

What is NSN 6625-00-739-0957?

NSN 6625-00-739-0957 is a Test Set,insulation Breakdown, manufactured by Sts Instruments, Inc., classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-739-0957?

NSN 6625-00-739-0957 has 2 cross-referenced part numbers: 122 (Sts Instruments, Inc.), 122-2-5 (Sts Instruments, Inc.).

What NSN replaces 6625-00-739-0957?

There are 12 known substitutes for 6625-00-739-0957: 6625-01-655-6339, 1650-00-050-3653, 5950-00-082-8782 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 122?

Key specifications for 122: Overall Length: 12.000 INCHES NOMINAL IN; Output Current Type: AC; Wire Lead Length: 72.000 INCHES NOMINAL IN; Test Lead Quantity: 2. 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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