PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4037Wheel,eight Day

Wakmann Watch Company Inc · NSN 6645-00-225-2732 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-225-2732 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-225-2732. Primary manufacturer part number: 4037.
Features
  • Wheel,eight Day — FSC 6645
  • 1 verified cross-reference
  • Primary manufacturer: Wakmann Watch Company Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Wheel,eight Day, cataloged under National Stock Number 6645-00-225-2732, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Wakmann Watch Company Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWheel,eight Day
FSC / FSG6645 — No Item Name Available (FSG 66)
ManufacturersWakmann Watch Company Inc (CAGE 98429)
Technical Specifications
ParameterValue
NSN6645-00-225-2732
Primary Part Number4037
Item NameWheel,eight Day
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWakmann Watch Company Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3439-00-020-8596 INTERCHANGEABLE
Heating Unit,electric Soldering
5305-00-072-35586110SS1032-7 INTERCHANGEABLE
Screw,externally Relieved Body
Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware
5930-00-108-69112154ALSPC30 INTERCHANGEABLE
Switch,toggle
Dynalec Corporation
5120-00-187-7129 INTERCHANGEABLE
Wrench,open End
2910-00-333-3834 INTERCHANGEABLE
Pump,fuel,cam Actuated
5355-00-408-26384037 INTERCHANGEABLE
Dial Assy
Vemaline Products Inc Dba Handles Unlimited Div Handles Unlimited
5305-00-408-59874037 INTERCHANGEABLE
Thumbscrew
Roller Bearing Co of America, Inc Div Pic Design
4720-00-540-26004037 INTERCHANGEABLE
Hose,air Duct
Flexaust Inc
5998-00-902-66984037 INTERCHANGEABLE
Electronic Components Assembly
The Bechdon Company, Llc
5330-00-990-25804037 INTERCHANGEABLE
Seal,plain Encased
Freudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division
Cross-Reference Index
Part NumberManufacturer
4037 PRIMARY Wakmann Watch Company Inc (USA)
Related Parts
3439-00-020-8596INTERCHANGEABLE
HEATING UNIT,ELECTRIC SOLDERING
5305-00-072-3558INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
6110SS1032-7
5930-00-108-6911INTERCHANGEABLE
SWITCH,TOGGLE
2154ALSPC30
5120-00-187-7129INTERCHANGEABLE
WRENCH,OPEN END
2910-00-333-3834INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
5355-00-408-2638INTERCHANGEABLE
DIAL ASSY
4037
5305-00-408-5987INTERCHANGEABLE
THUMBSCREW
4037
4720-00-540-2600INTERCHANGEABLE
HOSE,AIR DUCT
4037
5998-00-902-6698INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
4037
5330-00-990-2580INTERCHANGEABLE
SEAL,PLAIN ENCASED
4037
5905-01-038-7825INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
91J2R0
6515-01-105-3589INTERCHANGEABLE
BLOOD SAMPLE COLLECTING KIT
4037-1

Frequently Asked Questions

What is NSN 6645-00-225-2732?

NSN 6645-00-225-2732 is a Wheel,eight Day, manufactured by Wakmann Watch Company Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-225-2732?

NSN 6645-00-225-2732 has 1 cross-referenced part number: 4037 (Wakmann Watch Company Inc).

What NSN replaces 6645-00-225-2732?

There are 12 known substitutes for 6645-00-225-2732: 3439-00-020-8596, 5305-00-072-3558, 5930-00-108-6911 and 9 more. Verify interchangeability with system specifications before substitution.

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