PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100222Meter,time Totalizing

Fuel Systems Inc · NSN 6645-01-288-5473 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-288-5473 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-288-5473. Primary manufacturer part number: 100222.
Features
  • Meter,time Totalizing — FSC 6645
  • Maximum Measurement: 9999.99
  • Indicator Type: DRUM REGISTER
  • Movement Type: ELECTRICAL
  • Current Type: DC
  • Voltage Rating: 12.0 VOLTS NOMINAL
  • Measurement Unit: HOURS
  • 3 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Meter,time Totalizing, cataloged under National Stock Number 6645-01-288-5473, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Fuel Systems Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN6645-01-288-5473
Primary Part Number100222
Item NameMeter,time Totalizing
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerFuel Systems Inc
StatusCANCELLED
Maximum Measurement9999.99
Indicator TypeDRUM REGISTER
Movement TypeELECTRICAL
Current TypeDC
Voltage Rating12.0 VOLTS NOMINAL
Measurement UnitHOURS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5998-00-373-7008100222 INTERCHANGEABLE
Circuit Card Assembly
Bafco Inc.
6645-01-263-9434100222 INTERCHANGEABLE
Meter,time Totalizing
Maxima Technologies & Systems Llc
6645-01-355-8913100222 INTERCHANGEABLE
Meter,time Totalizing
Precision Speed Instruments Inc
5910-01-411-6721100222 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Wavetek Rf Products, Inc
4810-01-420-794810022-2 INTERCHANGEABLE
Valve,angle
Morpac Industries, Inc Div Actuator
5331-01-494-317891025PN57 INTERCHANGEABLE
O-Ring
American Metal Bearing Co Dba Amb Engineering & Machining Solutions
5998-01-548-0246100.222 INTERCHANGEABLE
Circuit Card Assembly
International Met Systems Inc Dba Intermet Systems
5998-01-683-099410-0222 INTERCHANGEABLE
Circuit Card Assembly
Wilson Company Dba Wilson Co
1005-01-717-0748100-222 INTERCHANGEABLE
Stock,gun,shoulder
Reptilia Llc
6130-01-723-8100100-222 INTERCHANGEABLE
Power Supply
Mesa Laboratories, Inc.
Cross-Reference Index
Part NumberManufacturer
9609A619-002 The Entwistle Company Llc (USA)
100222 PRIMARY Fuel Systems Inc (USA)
339-001 Vdo-Yazaki Corp (USA)
Related Parts
5998-00-373-7008INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
100222
6645-01-263-9434INTERCHANGEABLE
METER,TIME TOTALIZING
100222
6645-01-355-8913INTERCHANGEABLE
METER,TIME TOTALIZING
100222
5910-01-411-6721INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
100222
4810-01-420-7948INTERCHANGEABLE
VALVE,ANGLE
10022-2
5331-01-494-3178INTERCHANGEABLE
O-RING
91025PN57
5998-01-548-0246INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
100.222
5998-01-683-0994INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
10-0222
1005-01-717-0748INTERCHANGEABLE
STOCK,GUN,SHOULDER
100-222
6130-01-723-8100INTERCHANGEABLE
POWER SUPPLY
100-222

Frequently Asked Questions

What is NSN 6645-01-288-5473?

NSN 6645-01-288-5473 is a Meter,time Totalizing, manufactured by Fuel Systems Inc, classified under FSC 6645 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6645-01-288-5473?

NSN 6645-01-288-5473 has 3 cross-referenced part numbers: 9609A619-002 (The Entwistle Company Llc), 100222 (Fuel Systems Inc), 339-001 (Vdo-Yazaki Corp).

What NSN replaces 6645-01-288-5473?

There are 10 known substitutes for 6645-01-288-5473: 5998-00-373-7008, 6645-01-263-9434, 6645-01-355-8913 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100222?

Key specifications for 100222: Maximum Measurement: 9999.99; Indicator Type: DRUM REGISTER; Movement Type: ELECTRICAL; End Item Identification: CONTROL PANEL CAGE 00701. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6645-01-288-5473 still in active supply?

NSN 6645-01-288-5473 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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