PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-M-7793FMeter,time Totalizing

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6645-01-306-7243 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-306-7243 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-306-7243. Primary manufacturer part number: MIL-M-7793F.
Features
  • Meter,time Totalizing — FSC 6645
  • Unit Type: MOUNTED
  • Voltage Rating: 115.0 VOLTS NOMINAL
  • Mounting Type: FLANGE
  • Terminal Type: WIRE HOOK
  • Mounting Method: SEMIFLUSH
  • Movement Type: ELECTRICAL
  • Operating Frequency: 60.0 HERTZ NOMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Meter,time Totalizing, cataloged under National Stock Number 6645-01-306-7243, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 14 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-01-306-7243
Primary Part NumberMIL-M-7793F
Item NameMeter,time Totalizing
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Unit TypeMOUNTED
Voltage Rating115.0 VOLTS NOMINAL
Mounting TypeFLANGE
Terminal TypeWIRE HOOK
Mounting MethodSEMIFLUSH
Movement TypeELECTRICAL
Operating Frequency60.0 HERTZ NOMINAL
Mounting Flange Diameter0.704 INCHES MINIMUM AND 0.734 INCHES MAXIMUM IN
Body Diameter0.650 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
Body Length1.094 INCHES MAXIMUM IN
Terminal Quantity2
Indicator TypeDIGITAL COUNTER
Reset FeatureNOT PROVIDED
Current TypeAC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6645-00-255-1371 INTERCHANGEABLE
Meter,time Totalizing
6645-01-308-2260 INTERCHANGEABLE
Meter,time Totalizing
6645-01-352-5426 INTERCHANGEABLE
Meter,time Totalizing
6645-01-357-9096 INTERCHANGEABLE
Meter,time Totalizing
6645-01-420-6804 INTERCHANGEABLE
Meter,time Totalizing
Cross-Reference Index
Part NumberManufacturer
MIL-M-7793F Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M7793/4-011 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6645-00-255-1371INTERCHANGEABLE
METER,TIME TOTALIZING
6645-01-308-2260INTERCHANGEABLE
METER,TIME TOTALIZING
6645-01-352-5426INTERCHANGEABLE
METER,TIME TOTALIZING
6645-01-357-9096INTERCHANGEABLE
METER,TIME TOTALIZING
6645-01-420-6804INTERCHANGEABLE
METER,TIME TOTALIZING

Frequently Asked Questions

What is NSN 6645-01-306-7243?

NSN 6645-01-306-7243 is a Meter,time Totalizing, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-01-306-7243?

NSN 6645-01-306-7243 has 2 cross-referenced part numbers: MIL-M-7793F (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M7793/4-011 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6645-01-306-7243?

There are 5 known substitutes for 6645-01-306-7243: 6645-00-255-1371, 6645-01-308-2260, 6645-01-352-5426 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-M-7793F?

Key specifications for MIL-M-7793F: Unit Type: MOUNTED; Voltage Rating: 115.0 VOLTS NOMINAL; Mounting Type: FLANGE; Terminal Type: WIRE HOOK. 15 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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