PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4078Wheel,clutch Coupli

Wakmann Watch Company Inc · NSN 6645-00-225-2683 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-225-2683 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-225-2683. Primary manufacturer part number: 4078.
Features
  • Wheel,clutch Coupli — 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,clutch Coupli, cataloged under National Stock Number 6645-00-225-2683, 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,clutch Coupli
FSC / FSG6645 — No Item Name Available (FSG 66)
ManufacturersWakmann Watch Company Inc (CAGE 98429)
Technical Specifications
ParameterValue
NSN6645-00-225-2683
Primary Part Number4078
Item NameWheel,clutch Coupli
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWakmann Watch Company Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6130-00-059-46424078 INTERCHANGEABLE
Power Supply
Tdk-Lambda Americas Inc. Div High Power Division
9540-00-148-4791 INTERCHANGEABLE
Beam,structural
5340-00-304-7393185502 INTERCHANGEABLE
Clamp,loop
Agco Corp Parts Opn
6515-00-442-4813QD1-LG INTERCHANGEABLE
Plug,ear
Honeywell Safety Products Usa, Inc.
6750-00-627-1622 INTERCHANGEABLE
Paper,photographic
2590-00-629-3192A4078 INTERCHANGEABLE
Strap Assembly,upper Cylinder
Metadure Parts & Sales, Inc.
6210-00-782-75914078 INTERCHANGEABLE
Lens,light
L3harris Technologies, Inc. Div Space and Airborne Systems
5310-00-836-05654078 INTERCHANGEABLE
Nut,plain,knurled
Roller Bearing Co of America, Inc Div Pic Design
6240-00-945-7567 INTERCHANGEABLE
Lamp,incandescent
5330-00-954-12974078 INTERCHANGEABLE
Seal,plain Encased
Freudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division
Cross-Reference Index
Part NumberManufacturer
4078 PRIMARY Wakmann Watch Company Inc (USA)
Related Parts
6130-00-059-4642INTERCHANGEABLE
POWER SUPPLY
4078
9540-00-148-4791INTERCHANGEABLE
BEAM,STRUCTURAL
5340-00-304-7393INTERCHANGEABLE
CLAMP,LOOP
185502
6515-00-442-4813INTERCHANGEABLE
PLUG,EAR
QD1-LG
6750-00-627-1622INTERCHANGEABLE
PAPER,PHOTOGRAPHIC
2590-00-629-3192INTERCHANGEABLE
STRAP ASSEMBLY,UPPER CYLINDER
A4078
6210-00-782-7591INTERCHANGEABLE
LENS,LIGHT
4078
5310-00-836-0565INTERCHANGEABLE
NUT,PLAIN,KNURLED
4078
6240-00-945-7567INTERCHANGEABLE
LAMP,INCANDESCENT
5330-00-954-1297INTERCHANGEABLE
SEAL,PLAIN ENCASED
4078
6515-01-209-3368INTERCHANGEABLE
SYRINGE,ASPIRATING
4078-2
4010-01-281-9871INTERCHANGEABLE
WIRE ROPE ASSEMBLY,SINGLE LEG
4078

Frequently Asked Questions

What is NSN 6645-00-225-2683?

NSN 6645-00-225-2683 is a Wheel,clutch Coupli, manufactured by Wakmann Watch Company Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-225-2683?

NSN 6645-00-225-2683 has 1 cross-referenced part number: 4078 (Wakmann Watch Company Inc).

What NSN replaces 6645-00-225-2683?

There are 12 known substitutes for 6645-00-225-2683: 6130-00-059-4642, 9540-00-148-4791, 5340-00-304-7393 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com