PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23125Wheel and Pinion As

Waltham Clock Co Inc · NSN 6645-00-536-1545 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-536-1545 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-536-1545. Primary manufacturer part number: 23125.
Features
  • Wheel and Pinion As — FSC 6645
  • 1 verified cross-reference
  • Primary manufacturer: Waltham Clock Co Inc
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 6645-00-536-1545, 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 Clock Co Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWheel and Pinion As
FSC / FSG6645 — No Item Name Available (FSG 66)
ManufacturersWaltham Clock Co Inc (CAGE 79300)
Technical Specifications
ParameterValue
NSN6645-00-536-1545
Primary Part Number23125
Item NameWheel and Pinion As
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWaltham Clock Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5355-00-045-813523-125 INTERCHANGEABLE
Window,dial
Horizon Aerospace Llc Dba Magnetics Division
1650-00-099-717623125 INTERCHANGEABLE
Button,valve
Meggitt North Hollywood Inc
2530-00-150-58965704209 INTERCHANGEABLE
Parts Kit,track End Connector
U S Army Tank Automotive Command Amsta-Im-Mm
4320-00-382-17551168889 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
9540-00-528-7063 INTERCHANGEABLE
Beam,structural
5910-00-915-8497287N1 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Maida Development Co
5331-01-182-5512 INTERCHANGEABLE
O-Ring
2910-01-191-846426070 INTERCHANGEABLE
Stop,valve
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4320-01-226-158123125 INTERCHANGEABLE
Pump,centrifugal
Industrial Technologies and Services Llc
5930-01-309-4856060-313066 INTERCHANGEABLE
Switch,pressure
Danfoss Inc
Cross-Reference Index
Part NumberManufacturer
23125 Waltham Clock Co Inc (USA)
Related Parts
5355-00-045-8135INTERCHANGEABLE
WINDOW,DIAL
23-125
1650-00-099-7176INTERCHANGEABLE
BUTTON,VALVE
23125
2530-00-150-5896INTERCHANGEABLE
PARTS KIT,TRACK END CONNECTOR
5704209
4320-00-382-1755INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
1168889
9540-00-528-7063INTERCHANGEABLE
BEAM,STRUCTURAL
5910-00-915-8497INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
287N1
5331-01-182-5512INTERCHANGEABLE
O-RING
2910-01-191-8464INTERCHANGEABLE
STOP,VALVE
26070
4320-01-226-1581INTERCHANGEABLE
PUMP,CENTRIFUGAL
23125
5930-01-309-4856INTERCHANGEABLE
SWITCH,PRESSURE
060-313066

Frequently Asked Questions

What is NSN 6645-00-536-1545?

NSN 6645-00-536-1545 is a Wheel and Pinion As, manufactured by Waltham Clock Co Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-536-1545?

NSN 6645-00-536-1545 has 1 cross-referenced part number: 23125 (Waltham Clock Co Inc).

What NSN replaces 6645-00-536-1545?

There are 10 known substitutes for 6645-00-536-1545: 5355-00-045-8135, 1650-00-099-7176, 2530-00-150-5896 and 7 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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