PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

200873Wheel and Pinion As

Waltham Aircraft Clock Corp · NSN 6645-00-607-8353 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-607-8353 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-607-8353. Primary manufacturer part number: 200873.
Features
  • Wheel and Pinion As — FSC 6645
  • 4 verified cross-references
  • Primary manufacturer: Waltham Aircraft Clock Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Wheel and Pinion As, cataloged under National Stock Number 6645-00-607-8353, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Waltham Aircraft Clock Corp. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameWheel and Pinion As
FSC / FSG6645 — No Item Name Available (FSG 66)
ManufacturersWaltham Aircraft Clock Corp (CAGE 0Y4A4); Waltham Clock Co Inc (CAGE 79300)
Technical Specifications
ParameterValue
NSN6645-00-607-8353
Primary Part Number200873
Item NameWheel and Pinion As
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWaltham Aircraft Clock Corp
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
6625-00-051-290020087-3 INTERCHANGEABLE
Probe,test
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5841-00-161-598023096 INTERCHANGEABLE
Housing and Spool
Cadillac Gage Textron Inc.
5910-01-097-658523096 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Daytronic Corporation
2610-01-148-1634748-510-571 INTERCHANGEABLE
Tire,pneumatic,vehicular
Goodyear Tire & Rubber Company, the Dba Goodyear Div Ground Vehicle Tires
4820-01-159-7725200873 INTERCHANGEABLE
Parts Kit,pressure Regulating VA
Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
5910-01-246-3180913-3331-030 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4320-01-438-309323096 INTERCHANGEABLE
Valve Plate,hydraulic Motor-Pump
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
200873 PRIMARY Waltham Aircraft Clock Corp (USA)
23096 Waltham Clock Co Inc (USA)
200873 Waltham Clock Co Inc (USA)
22300925 Waltham Clock Co Inc (USA)
Related Parts
6625-00-051-2900INTERCHANGEABLE
PROBE,TEST
20087-3
5841-00-161-5980INTERCHANGEABLE
HOUSING AND SPOOL
23096
5910-01-097-6585INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
23096
2610-01-148-1634INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
748-510-571
4820-01-159-7725INTERCHANGEABLE
PARTS KIT,PRESSURE REGULATING VA
200873
5910-01-246-3180INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
913-3331-030
4320-01-438-3093INTERCHANGEABLE
VALVE PLATE,HYDRAULIC MOTOR-PUMP
23096

Frequently Asked Questions

What is NSN 6645-00-607-8353?

NSN 6645-00-607-8353 is a Wheel and Pinion As, manufactured by Waltham Aircraft Clock Corp, classified under FSC 6645 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6645-00-607-8353?

NSN 6645-00-607-8353 has 4 cross-referenced part numbers: 200873 (Waltham Aircraft Clock Corp), 23096 (Waltham Clock Co Inc), 200873 (Waltham Clock Co Inc), 22300925 (Waltham Clock Co Inc).

What NSN replaces 6645-00-607-8353?

There are 7 known substitutes for 6645-00-607-8353: 6625-00-051-2900, 5841-00-161-5980, 5910-01-097-6585 and 4 more. Verify interchangeability with system specifications before substitution.

Is NSN 6645-00-607-8353 still in active supply?

NSN 6645-00-607-8353 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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