PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4175Jewel,chronograph

Wakmann Watch Company Inc · NSN 6645-00-225-2673 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-225-2673 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-225-2673. Primary manufacturer part number: 4175.
Features
  • Jewel,chronograph — FSC 6645
  • General Characteristics Item Description: RED RUBY,SECOND WHEEL SEAT,0.05511 IN. OD,0.01572 IN. ID,0.01417 IN. THK IN
  • 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 Jewel,chronograph, cataloged under National Stock Number 6645-00-225-2673, 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. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN6645-00-225-2673
Primary Part Number4175
Item NameJewel,chronograph
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWakmann Watch Company Inc
StatusACTIVE
General Characteristics Item DescriptionRED RUBY,SECOND WHEEL SEAT,0.05511 IN. OD,0.01572 IN. ID,0.01417 IN. THK IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5935-00-201-6655 INTERCHANGEABLE
Connector,plug,electrical
3030-00-269-9721218T INTERCHANGEABLE
Belt,v
Gates Corporation
2920-00-496-3346 INTERCHANGEABLE
Drive,engine,electrical Starter
4940-00-586-09834175 INTERCHANGEABLE
Container,measuring
Little Giant Pump Co
5330-00-825-12789191682 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Us Army Aviation and Missile Command
5340-00-927-0194492-5 INTERCHANGEABLE
Caster,swivel
Fki Industries Inc Dba Faultless Caster Division
1680-01-066-9564 INTERCHANGEABLE
Cover,plug
5940-01-107-9496011-1038-00-0-319 INTERCHANGEABLE
Terminal,feedthru
Itt Cannon Rf Products
4010-01-207-2622 INTERCHANGEABLE
Chain,choker
5815-01-493-85714175 INTERCHANGEABLE
Facsimile Set
Lanier Worldwide Inc Dba Lanier Voice Products
Cross-Reference Index
Part NumberManufacturer
4175 PRIMARY Wakmann Watch Company Inc (USA)
Related Parts
5935-00-201-6655INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3030-00-269-9721INTERCHANGEABLE
BELT,V
218T
2920-00-496-3346INTERCHANGEABLE
DRIVE,ENGINE,ELECTRICAL STARTER
4940-00-586-0983INTERCHANGEABLE
CONTAINER,MEASURING
4175
5330-00-825-1278INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
9191682
5340-00-927-0194INTERCHANGEABLE
CASTER,SWIVEL
492-5
1680-01-066-9564INTERCHANGEABLE
COVER,PLUG
5940-01-107-9496INTERCHANGEABLE
TERMINAL,FEEDTHRU
011-1038-00-0-319
4010-01-207-2622INTERCHANGEABLE
CHAIN,CHOKER
5815-01-493-8571INTERCHANGEABLE
FACSIMILE SET
4175

Frequently Asked Questions

What is NSN 6645-00-225-2673?

NSN 6645-00-225-2673 is a Jewel,chronograph, manufactured by Wakmann Watch Company Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-225-2673?

NSN 6645-00-225-2673 has 1 cross-referenced part number: 4175 (Wakmann Watch Company Inc).

What NSN replaces 6645-00-225-2673?

There are 10 known substitutes for 6645-00-225-2673: 5935-00-201-6655, 3030-00-269-9721, 2920-00-496-3346 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4175?

Key specifications for 4175: General Characteristics Item Description: RED RUBY,SECOND WHEEL SEAT,0.05511 IN. OD,0.01572 IN. ID,0.01417 IN. THK IN. 1 total characteristics are documented in the Federal Logistics Information System.

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