PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4173Jewel,coupling Clutch

Wakmann Watch Company Inc · NSN 6645-00-966-7791 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-966-7791 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-966-7791. Primary manufacturer part number: 4173.
Features
  • Jewel,coupling Clutch — FSC 6645
  • General Characteristics Item Description: RED RUBY,LOWER AND UPPER THIRD WHEEL,LOWER SECONDWHEEL,0.0475 IN. OD,0.0098 IN. ID,0.0118 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,coupling Clutch, cataloged under National Stock Number 6645-00-966-7791, 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-00-966-7791
Primary Part Number4173
Item NameJewel,coupling Clutch
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWakmann Watch Company Inc
StatusACTIVE
General Characteristics Item DescriptionRED RUBY,LOWER AND UPPER THIRD WHEEL,LOWER SECONDWHEEL,0.0475 IN. OD,0.0098 IN. ID,0.0118 IN. THK IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
7350-00-195-733447252 INTERCHANGEABLE
Tray,mess,compartmented
The Vollrath Company, L.l.c. Div Vollrath
4530-00-276-9892 INTERCHANGEABLE
Plate,sprayer,oil Burner Atomize
6105-00-375-82674173 INTERCHANGEABLE
Stator,motor
Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
5935-00-500-5036 INTERCHANGEABLE
Jack,tip
5935-00-501-5529 INTERCHANGEABLE
Jack,tip
5940-00-950-7410WA2276 INTERCHANGEABLE
Terminal Board
Breeze-Eastern Llc
4530-01-106-986324T12-6S INTERCHANGEABLE
Plate,sprayer,oil Burner Atomize
Todd Combustion Inc
7610-01-123-32274173 INTERCHANGEABLE
Sheet,technical
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
5999-01-201-5260 INTERCHANGEABLE
Heatsink
6515-01-256-96880035830 INTERCHANGEABLE
Syringe,aspirating
C. R. Bard, Inc.
Cross-Reference Index
Part NumberManufacturer
4173 PRIMARY Wakmann Watch Company Inc (USA)
Related Parts
7350-00-195-7334INTERCHANGEABLE
TRAY,MESS,COMPARTMENTED
47252
4530-00-276-9892INTERCHANGEABLE
PLATE,SPRAYER,OIL BURNER ATOMIZE
6105-00-375-8267INTERCHANGEABLE
STATOR,MOTOR
4173
5935-00-500-5036INTERCHANGEABLE
JACK,TIP
5935-00-501-5529INTERCHANGEABLE
JACK,TIP
5940-00-950-7410INTERCHANGEABLE
TERMINAL BOARD
WA2276
4530-01-106-9863INTERCHANGEABLE
PLATE,SPRAYER,OIL BURNER ATOMIZE
24T12-6S
7610-01-123-3227INTERCHANGEABLE
SHEET,TECHNICAL
4173
5999-01-201-5260INTERCHANGEABLE
HEATSINK
6515-01-256-9688INTERCHANGEABLE
SYRINGE,ASPIRATING
0035830
4530-01-288-7989INTERCHANGEABLE
PLATE,SPRAYER,OIL BURNER ATOMIZE
3909D4

Frequently Asked Questions

What is NSN 6645-00-966-7791?

NSN 6645-00-966-7791 is a Jewel,coupling Clutch, manufactured by Wakmann Watch Company Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-966-7791?

NSN 6645-00-966-7791 has 1 cross-referenced part number: 4173 (Wakmann Watch Company Inc).

What NSN replaces 6645-00-966-7791?

There are 11 known substitutes for 6645-00-966-7791: 7350-00-195-7334, 4530-00-276-9892, 6105-00-375-8267 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4173?

Key specifications for 4173: General Characteristics Item Description: RED RUBY,LOWER AND UPPER THIRD WHEEL,LOWER SECONDWHEEL,0.0475 IN. OD,0.0098 IN. ID,0.0118 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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