PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8KT8E3Meter,time Totalizing

General Electric Company · NSN 6645-00-171-7101 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-171-7101 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-171-7101. Primary manufacturer part number: 8KT8E3.
Features
  • Meter,time Totalizing — FSC 6645
  • Measurement Unit: HOURS
  • Marking Color: BLACK NUMERALS
  • Mounting Configuration: THREE 0.147 IN. DIA HOLES ON 3.16 IN. DIA MTG CIRCLE SPACED 120 DEG APART IN
  • Body Depth: 3.000 INCHES NOMINAL IN
  • Measurement Unit: HOURS
  • Terminal Quantity: 2
  • Body Diameter: 2.800 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Meter,time Totalizing, cataloged under National Stock Number 6645-00-171-7101, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is General Electric Company. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6645-00-171-7101
Primary Part Number8KT8E3
Item NameMeter,time Totalizing
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerGeneral Electric Company
StatusCANCELLED
Measurement UnitHOURS
Marking ColorBLACK NUMERALS
Mounting ConfigurationTHREE 0.147 IN. DIA HOLES ON 3.16 IN. DIA MTG CIRCLE SPACED 120 DEG APART IN
Body Depth3.000 INCHES NOMINAL IN
Measurement UnitHOURS
Terminal Quantity2
Body Diameter2.800 INCHES NOMINAL IN
Current TypeAC
Mounting MethodFLUSH
Operating Frequency60.0 HERTZ NOMINAL
Marking ColorBLACK NUMERALS
Terminal TypeTHREADED STUD
Reset FeatureNOT PROVIDED
Maximum Measurement99999.00
Maximum Measurement99999.00
Body Depth3.000 INCHES NOMINAL IN
Voltage Rating115.0 VOLTS NOMINAL
Mounting TypePANEL
Background ColorWHITE
Mounting ConfigurationTHREE 0.147 IN. DIA HOLES ON 3.16 IN. DIA MTG CIRCLE SPACED 120 DEG APART IN
Operating Frequency60.0 HERTZ NOMINAL
Smallest Increment Indicated1.00
Indicator TypeDRUM REGISTER
Body Diameter2.800 INCHES NOMINAL IN
Movement TypeELECTRICAL
Smallest Increment Indicated1.00
Unit TypeMOUNTED
Mounting MethodFLUSH
Indicator TypeDRUM REGISTER
Electrical Movement TypeSYNCHRONOUS MOTOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5325-00-266-6623117786 INTERCHANGEABLE
Grommet,nonmetallic
Dne Technologies, Inc
4320-00-472-9817022239-00 INTERCHANGEABLE
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5950-00-542-1450 INTERCHANGEABLE
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2915-00-786-065322239 INTERCHANGEABLE
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Triumph Engine Control Systems Llc
6610-00-869-5874MS85IL INTERCHANGEABLE
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Aerosonic Llc
2990-01-035-1415NW22239 INTERCHANGEABLE
Pipe,exhaust
Tld Wollard Llc
5305-01-423-029622239 INTERCHANGEABLE
Screw,assembled Washer
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6840-01-501-2858CONTRAC BLOX INTERCHANGEABLE
Rodenticidal Bait,anticoagulant
Bell Laboratories Inc
3010-01-521-097022239 INTERCHANGEABLE
Coupling,shaft,flexible
Exceltec Intl Corp
6850-01-607-0672 INTERCHANGEABLE
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Cross-Reference Index
Part NumberManufacturer
8KT8E3 General Electric Company (USA)
M7463729REV13PT1 General Electric Company (USA)
7463729-1 General Electric Company (USA)
M7463729-1REV22 General Electric Company (USA)
22239 Department of the Navy (USA)
Related Parts
5325-00-266-6623INTERCHANGEABLE
GROMMET,NONMETALLIC
117786
4320-00-472-9817INTERCHANGEABLE
RING SLEEVE SEAL
022239-00
5950-00-542-1450INTERCHANGEABLE
TRANSFORMER,POWER
2915-00-786-0653INTERCHANGEABLE
COVER,PROTECTIVE,PUMP
22239
6610-00-869-5874INTERCHANGEABLE
INDICATOR,AIR SPEED
MS85IL
2990-01-035-1415INTERCHANGEABLE
PIPE,EXHAUST
NW22239
5305-01-423-0296INTERCHANGEABLE
SCREW,ASSEMBLED WASHER
22239
6840-01-501-2858INTERCHANGEABLE
RODENTICIDAL BAIT,ANTICOAGULANT
CONTRAC BLOX
3010-01-521-0970INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
22239
6850-01-607-0672INTERCHANGEABLE
ADDITIVE GASOLINE

Frequently Asked Questions

What is NSN 6645-00-171-7101?

NSN 6645-00-171-7101 is a Meter,time Totalizing, manufactured by General Electric Company, classified under FSC 6645 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6645-00-171-7101?

NSN 6645-00-171-7101 has 5 cross-referenced part numbers: 8KT8E3 (General Electric Company), M7463729REV13PT1 (General Electric Company), 7463729-1 (General Electric Company), M7463729-1REV22 (General Electric Company), 22239 (Department of the Navy).

What NSN replaces 6645-00-171-7101?

There are 10 known substitutes for 6645-00-171-7101: 5325-00-266-6623, 4320-00-472-9817, 5950-00-542-1450 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8KT8E3?

Key specifications for 8KT8E3: Measurement Unit: HOURS; Marking Color: BLACK NUMERALS; Mounting Configuration: THREE 0.147 IN. DIA HOLES ON 3.16 IN. DIA MTG CIRCLE SPACED 120 DEG APART IN; Body Depth: 3.000 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6645-00-171-7101 still in active supply?

NSN 6645-00-171-7101 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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