PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D16C8C2Meter,time Totalizing

Electrodynamics Inc Div L3harris Electrodynamics Inc · NSN 6645-01-208-1731 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-208-1731 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-208-1731. Primary manufacturer part number: D16C8C2.
Features
  • Meter,time Totalizing — FSC 6645
  • Body Length: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
  • Body Width: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
  • Voltage Rating: 12.0 VOLTS MINIMUM AND 28.0 VOLTS MAXIMUM
  • Movement Type: ELECTRICAL
  • Indicator Type: DRUM REGISTER
  • Measurement Unit: HOURS
  • Hermetic Protection: PROVIDED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Meter,time Totalizing, cataloged under National Stock Number 6645-01-208-1731, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Electrodynamics Inc Div L3harris Electrodynamics Inc. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6645-01-208-1731
Primary Part NumberD16C8C2
Item NameMeter,time Totalizing
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerElectrodynamics Inc Div L3harris Electrodynamics Inc
StatusCANCELLED
Body Length0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
Body Width0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
Voltage Rating12.0 VOLTS MINIMUM AND 28.0 VOLTS MAXIMUM
Movement TypeELECTRICAL
Indicator TypeDRUM REGISTER
Measurement UnitHOURS
Hermetic ProtectionPROVIDED
Body Depth1.094 INCHES NOMINAL IN
Background ColorBLACK BACKGROUND
Mounting MethodSEMIFLUSH
Smallest Increment Indicated1.00
Maximum Measurement9999.99
Flange Height0.930 INCHES MAXIMUM IN
Mounting ConfigurationADJUSTABLE SPLIT FLANGE PER MS3345-2
Marking ColorWHITE NUMERALS
Unit TypeMOUNTED
Reset FeatureNOT PROVIDED
Electrical Movement TypeSYNCHRONOUS MOTOR
Terminal Quantity2
Current TypeDC
Mounting Flange Width1.310 INCHES NOMINAL IN
Terminal TypeSOLDER HOOK
Mounting TypeFLANGE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
6645-00-456-7653 INTERCHANGEABLE
Meter,time Totalizing
6645-01-138-9099D16C8CE INTERCHANGEABLE
Meter,time Totalizing
Electrodynamics Inc Div L3harris Electrodynamics Inc
3040-01-246-5173A-16650 INTERCHANGEABLE
Shaft,shouldered
L3 Technologies, Inc.
6645-01-265-8708 INTERCHANGEABLE
Meter,time Totalizing
6645-01-356-2271 INTERCHANGEABLE
Meter,time Totalizing
6645-01-550-4586 INTERCHANGEABLE
Meter,time Totalizing
Cross-Reference Index
Part NumberManufacturer
D16C8C2 Electrodynamics Inc Div L3harris Electrodynamics Inc (USA)
299A9664P1 Bae Systems Controls Inc. (USA)
10150195 Nimikkeistokeskus Ncb Finland (FIN)
MIL-DTL-7793/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
082-000937-001 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
A16650 Mbda Uk Ltd (GBR)
458-9011-010 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
M7793/1-001 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
16C8CE-4 Electrodynamics Inc Div L3harris Electrodynamics Inc (USA)
D16C8CE Electrodynamics Inc Div L3harris Electrodynamics Inc (USA)
MIL-M-7793 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
D16C8CD-16 Electrodynamics Inc Div L3harris Electrodynamics Inc (USA)
458-9011-010 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
MIL-M-7793/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS21341B-13 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
16C8VA Electrodynamics Inc Div L3harris Electrodynamics Inc (USA)
Related Parts
6645-00-456-7653INTERCHANGEABLE
METER,TIME TOTALIZING
6645-01-138-9099INTERCHANGEABLE
METER,TIME TOTALIZING
D16C8CE
3040-01-246-5173INTERCHANGEABLE
SHAFT,SHOULDERED
A-16650
6645-01-265-8708INTERCHANGEABLE
METER,TIME TOTALIZING
6645-01-356-2271INTERCHANGEABLE
METER,TIME TOTALIZING
6645-01-550-4586INTERCHANGEABLE
METER,TIME TOTALIZING

Frequently Asked Questions

What is NSN 6645-01-208-1731?

NSN 6645-01-208-1731 is a Meter,time Totalizing, manufactured by Electrodynamics Inc Div L3harris Electrodynamics Inc, classified under FSC 6645 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6645-01-208-1731?

NSN 6645-01-208-1731 has 16 cross-referenced part numbers: D16C8C2 (Electrodynamics Inc Div L3harris Electrodynamics Inc), 299A9664P1 (Bae Systems Controls Inc.), 10150195 (Nimikkeistokeskus Ncb Finland), MIL-DTL-7793/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 082-000937-001 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple) and 11 more.

What NSN replaces 6645-01-208-1731?

There are 6 known substitutes for 6645-01-208-1731: 6645-00-456-7653, 6645-01-138-9099, 3040-01-246-5173 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D16C8C2?

Key specifications for D16C8C2: Body Length: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN; Body Width: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN; Voltage Rating: 12.0 VOLTS MINIMUM AND 28.0 VOLTS MAXIMUM; Movement Type: ELECTRICAL. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6645-01-208-1731 still in active supply?

NSN 6645-01-208-1731 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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