PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MC3ATest Set,electrical Power

Department of the Air Force · NSN 6625-00-789-1272 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-789-1272 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-789-1272. Primary manufacturer part number: MC3A.
Features
  • Test Set,electrical Power — FSC 6625
  • Phase: THREE FIRST OPERATING POWER RQMT
  • Electrical Power Source Relationship: OPERATING
  • AC Voltage Rating: 208.0 VOLTS NOMINAL SECOND OPERATING POWER RQMT
  • Width: 60.000 INCHES NOMINAL IN
  • AC Voltage Rating: 240.0 VOLTS NOMINAL THIRD OPERATING POWER RQMT
  • Material: STEEL HOUSING
  • Reference Data and Literature: T.O. 33AA7-56-24
Applications
  • Applications requiring Steel Housing construction
General Description

The Test Set,electrical Power, cataloged under National Stock Number 6625-00-789-1272, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Department of the Air Force. Government technical data includes 29 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: Active.

Technical Specifications
ParameterValue
NSN6625-00-789-1272
Primary Part NumberMC3A
Item NameTest Set,electrical Power
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerDepartment of the Air Force
StatusACTIVE
PhaseTHREE FIRST OPERATING POWER RQMT
Electrical Power Source RelationshipOPERATING
AC Voltage Rating208.0 VOLTS NOMINAL SECOND OPERATING POWER RQMT
Width60.000 INCHES NOMINAL IN
AC Voltage Rating240.0 VOLTS NOMINAL THIRD OPERATING POWER RQMT
MaterialSTEEL HOUSING
Reference Data and LiteratureT.O. 33AA7-56-24
AC Voltage Rating440.0 VOLTS NOMINAL FOURTH OPERATING POWER RQMT
DC Voltage Rating28.0 VOLTS NOMINAL FIFTH OPERATING POWER RQMT
Frequency Rating60.0 HERTZ NOMINAL FIRST OPERATING POWER RQMT
Height60.500 INCHES NOMINAL IN
Length118.000 INCHES NOMINAL IN
Test Type for Which DesignedINTENDED FOR USE IN TESTING ALL POWER SUPPLIES THAT ARE USED FOR ELECTRICAL GROUND SUPPORT
Enclosure FeatureSINGLE ITEM W/HOUSING
AC Voltage Rating120.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT
PhaseTHREE FIRST OPERATING POWER RQMT
Electrical Power Source RelationshipOPERATING
AC Voltage Rating208.0 VOLTS NOMINAL SECOND OPERATING POWER RQMT
Width60.000 INCHES NOMINAL IN
AC Voltage Rating240.0 VOLTS NOMINAL THIRD OPERATING POWER RQMT
MaterialSTEEL HOUSING
Reference Data and LiteratureT.O. 33AA7-56-24
AC Voltage Rating440.0 VOLTS NOMINAL FOURTH OPERATING POWER RQMT
DC Voltage Rating28.0 VOLTS NOMINAL FIFTH OPERATING POWER RQMT
Frequency Rating60.0 HERTZ NOMINAL FIRST OPERATING POWER RQMT
Height60.500 INCHES NOMINAL IN
Length118.000 INCHES NOMINAL IN
Test Type for Which DesignedINTENDED FOR USE IN TESTING ALL POWER SUPPLIES THAT ARE USED FOR ELECTRICAL GROUND SUPPORT
Enclosure FeatureSINGLE ITEM W/HOUSING
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6145-00-995-9428 (4733)
HAZMATNo
Verified Substitutes 12
6145-00-995-94284733 SUCCESSOR
Cable,telephone
Birnbach Co Inc
6625-00-038-4510A570 INTERCHANGEABLE
Test Set,electrical Power
Essex Electro Engineers Inc
6685-00-081-4958 INTERCHANGEABLE
Gage,pressure,dial Indicating
6930-00-092-56327265 INTERCHANGEABLE
Joint Assembly,ball
Cae Usa Inc.
5136-00-197-95597265 INTERCHANGEABLE
Die,rethreading
Stanley Tools Div of Stanley Works
5930-00-272-1361309-641-16 INTERCHANGEABLE
Switch,pressure
Cummins Power Generation Inc.
5910-00-345-6858 INTERCHANGEABLE
Capacitor,variable,air Dielectri
6625-00-489-1301C467-1000 INTERCHANGEABLE
Test Set,electrical Power
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
6625-00-587-8262 INTERCHANGEABLE
Test Set,electrical Power
6625-00-630-1443 INTERCHANGEABLE
Test Set,electrical Power
Cross-Reference Index
Part NumberManufacturer
MC3A Department of the Air Force (USA)
MIL-T-26922 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
7265 U M C Electronics Co (USA)
A/M24T-8() Joint Electronics Type Designation System (USA)
Related Parts
SUCCESSOR 6145-00-995-9428 Cable,telephone · 4733
6625-00-038-4510INTERCHANGEABLE
TEST SET,ELECTRICAL POWER
A570
6685-00-081-4958INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6930-00-092-5632INTERCHANGEABLE
JOINT ASSEMBLY,BALL
7265
5136-00-197-9559INTERCHANGEABLE
DIE,RETHREADING
7265
5930-00-272-1361INTERCHANGEABLE
SWITCH,PRESSURE
309-641-16
5910-00-345-6858INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
6625-00-489-1301INTERCHANGEABLE
TEST SET,ELECTRICAL POWER
C467-1000
6625-00-587-8262INTERCHANGEABLE
TEST SET,ELECTRICAL POWER
6625-00-630-1443INTERCHANGEABLE
TEST SET,ELECTRICAL POWER
5950-00-800-4427INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
7265
6625-00-832-9051INTERCHANGEABLE
TEST SET,ELECTRICAL POWER

Frequently Asked Questions

What is NSN 6625-00-789-1272?

NSN 6625-00-789-1272 is a Test Set,electrical Power, manufactured by Department of the Air Force, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-789-1272?

NSN 6625-00-789-1272 has 4 cross-referenced part numbers: MC3A (Department of the Air Force), MIL-T-26922 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 7265 (U M C Electronics Co), A/M24T-8() (Joint Electronics Type Designation System).

What NSN replaces 6625-00-789-1272?

There are 12 known substitutes for 6625-00-789-1272: 6145-00-995-9428, 6625-00-038-4510, 6685-00-081-4958 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MC3A?

Key specifications for MC3A: Phase: THREE FIRST OPERATING POWER RQMT; Electrical Power Source Relationship: OPERATING; AC Voltage Rating: 208.0 VOLTS NOMINAL SECOND OPERATING POWER RQMT; Width: 60.000 INCHES NOMINAL IN. 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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