PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

240251ABAFMeter,time Totalizing

Yokogawa Corporation of America · NSN 6645-00-907-3279 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-907-3279 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-907-3279. Primary manufacturer part number: 240251ABAF.
Features
  • Meter,time Totalizing — FSC 6645
  • Hermetic Protection: NOT PROVIDED
  • Maximum Measurement: 99999.90
  • Voltage Rating: 240.0 VOLTS NOMINAL
  • Indicator Type: DRUM REGISTER
  • Movement Type: ELECTRICAL
  • Smallest Increment Indicated: 0.10
  • Unit Type: MOUNTED
Applications
  • Applications requiring Plastic Case construction
General Description

The Meter,time Totalizing, cataloged under National Stock Number 6645-00-907-3279, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Yokogawa Corporation of America. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6645-00-907-3279
Primary Part Number240251ABAF
Item NameMeter,time Totalizing
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerYokogawa Corporation of America
StatusCANCELLED
Hermetic ProtectionNOT PROVIDED
Maximum Measurement99999.90
Voltage Rating240.0 VOLTS NOMINAL
Indicator TypeDRUM REGISTER
Movement TypeELECTRICAL
Smallest Increment Indicated0.10
Unit TypeMOUNTED
MaterialPLASTIC CASE
Measurement UnitHOURS
Operating Frequency60.0 HERTZ NOMINAL
Background ColorBLACK INDICATING HRS,WHITE INDICATING TENTHS
Electrical Movement TypeSYNCHRONOUS MOTOR
Marking ColorWHITE NUMERALS INDICATING HRS,BLACK NUMERALS INDICATING TENTHS OF HRS
Reset FeatureNOT PROVIDED
Mounting ConfigurationMTD BY 0.500 IN. NPT CONDUIT IN
Mounting TypeCONDUIT
Current TypeAC
Terminal TypeWIRE LEAD
Terminal Quantity2
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
2530-00-846-5742 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
6145-01-212-160337110 INTERCHANGEABLE
Wire,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
6520-01-266-9789 INTERCHANGEABLE
Cement,dental
6750-01-380-4383 INTERCHANGEABLE
Replenisher,developer Kit,photog
5310-01-645-762437010 INTERCHANGEABLE
Nut,self-Locking,hexagon
Fastenal Company
Cross-Reference Index
Part NumberManufacturer
240251ABAF PRIMARY Yokogawa Corporation of America (USA)
50-236432ABAD1 Ametek Inc Div Aerospace and Defense (USA)
37010 Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA)
94X899 Ametek Inc Div Aerospace and Defense (USA)
8KT2A6 Ametek Inc Div Aerospace and Defense (USA)
61-2181 U S Dept of Transportation Federal Aviation Administration (USA)
8KT2A5 Ametek Inc Div Aerospace and Defense (USA)
Related Parts
2530-00-846-5742INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
6145-01-212-1603INTERCHANGEABLE
WIRE,ELECTRICAL
37110
6520-01-266-9789INTERCHANGEABLE
CEMENT,DENTAL
6750-01-380-4383INTERCHANGEABLE
REPLENISHER,DEVELOPER KIT,PHOTOG
5310-01-645-7624INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
37010

Frequently Asked Questions

What is NSN 6645-00-907-3279?

NSN 6645-00-907-3279 is a Meter,time Totalizing, manufactured by Yokogawa Corporation of America, classified under FSC 6645 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6645-00-907-3279?

NSN 6645-00-907-3279 has 7 cross-referenced part numbers: 240251ABAF (Yokogawa Corporation of America), 50-236432ABAD1 (Ametek Inc Div Aerospace and Defense), 37010 (Thales Usa, Inc. Div Air Mobility Solutions ("ams")), 94X899 (Ametek Inc Div Aerospace and Defense), 8KT2A6 (Ametek Inc Div Aerospace and Defense) and 2 more.

What NSN replaces 6645-00-907-3279?

There are 5 known substitutes for 6645-00-907-3279: 2530-00-846-5742, 6145-01-212-1603, 6520-01-266-9789 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 240251ABAF?

Key specifications for 240251ABAF: Overall Height: 5.875 INCHES NOMINAL IN; Overall Depth: 3.281 INCHES NOMINAL IN; Hermetic Protection: NOT PROVIDED; Maximum Measurement: 99999.90. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6645-00-907-3279 still in active supply?

NSN 6645-00-907-3279 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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