PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H55-02Meter,time Totalizing

Air-a-Plane Corp · NSN 6645-00-042-8397 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-042-8397 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-042-8397. Primary manufacturer part number: H55-02.
Features
  • Meter,time Totalizing — FSC 6645
  • Terminal Quantity: 2
  • Mounting Method: FLUSH
  • Hermetic Protection: NOT PROVIDED
  • Unit Type: MOUNTED
  • Body Depth: 2.680 INCHES NOMINAL IN
  • Voltage Rating: 120.0 VOLTS NOMINAL
  • Operating Frequency: 60.0 HERTZ NOMINAL
Applications
  • Applications requiring Plastic Case construction
General Description

The Meter,time Totalizing, cataloged under National Stock Number 6645-00-042-8397, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Air-a-Plane Corp. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6645-00-042-8397
Primary Part NumberH55-02
Item NameMeter,time Totalizing
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerAir-a-Plane Corp
StatusCANCELLED
Terminal Quantity2
Mounting MethodFLUSH
Hermetic ProtectionNOT PROVIDED
Unit TypeMOUNTED
Body Depth2.680 INCHES NOMINAL IN
Voltage Rating120.0 VOLTS NOMINAL
Operating Frequency60.0 HERTZ NOMINAL
Measurement UnitHOURS
Background ColorWHITE
Smallest Increment Indicated0.10
Reset FeatureNOT PROVIDED
Movement TypeELECTRICAL
Mounting ConfigurationTHREE 0.125 IN. DIA MTG HOLES ON 1.220 IN. RADIUS SPACED 120 DEG APART IN
Current TypeAC
Maximum Measurement99999.90
Mounting Flange Diameter2.690 INCHES NOMINAL IN
Indicator TypeDRUM REGISTER
Marking ColorBLACK,RED NUMERALS
Body Length2.100 INCHES NOMINAL IN
MaterialPLASTIC CASE
Terminal TypeSCREW
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5950-00-646-2482 INTERCHANGEABLE
Transformer,power
7810-01-067-682930301 INTERCHANGEABLE
Net,volleyball
Carron Net Company, Inc. Dba Carron Net Co Inc
Cross-Reference Index
Part NumberManufacturer
H55-02 Air-a-Plane Corp (USA)
MI1906 Stewart-Warner Corporation (USA)
MI1906 Advanced Computer Technology Inc Dba a C T (USA)
68ASC550-1 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
M1906 Hobbs Corp (USA)
MI1906 Hobbs Corp (USA)
Related Parts
5950-00-646-2482INTERCHANGEABLE
TRANSFORMER,POWER
7810-01-067-6829INTERCHANGEABLE
NET,VOLLEYBALL
30301

Frequently Asked Questions

What is NSN 6645-00-042-8397?

NSN 6645-00-042-8397 is a Meter,time Totalizing, manufactured by Air-a-Plane Corp, classified under FSC 6645 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6645-00-042-8397?

NSN 6645-00-042-8397 has 6 cross-referenced part numbers: H55-02 (Air-a-Plane Corp), MI1906 (Stewart-Warner Corporation), MI1906 (Advanced Computer Technology Inc Dba a C T), 68ASC550-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), M1906 (Hobbs Corp) and 1 more.

What NSN replaces 6645-00-042-8397?

There are 2 known substitutes for 6645-00-042-8397: 5950-00-646-2482, 7810-01-067-6829. Verify interchangeability with system specifications before substitution.

What are the specifications of H55-02?

Key specifications for H55-02: Terminal Quantity: 2; Mounting Method: FLUSH; Hermetic Protection: NOT PROVIDED; Unit Type: MOUNTED. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6645-00-042-8397 still in active supply?

NSN 6645-00-042-8397 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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