PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22004Bridge Assy,center

Waltham Clock Co Inc · NSN 6645-00-333-3354 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-333-3354 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-333-3354. Primary manufacturer part number: 22004.
Features
  • Bridge Assy,center — 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 Bridge Assy,center, cataloged under National Stock Number 6645-00-333-3354, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBridge Assy,center
FSC / FSG6645 — No Item Name Available (FSG 66)
ManufacturersWaltham Clock Co Inc (CAGE 79300)
Technical Specifications
ParameterValue
NSN6645-00-333-3354
Primary Part Number22004
Item NameBridge Assy,center
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWaltham Clock Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5960-00-107-758322004 INTERCHANGEABLE
Electron Tube
Gaf Corp
3110-00-156-3444FS88501-1V1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
4730-00-184-91241103 3-4X1-2 INTERCHANGEABLE
Elbow,pipe
Flagg Stanley G & Co Inc Dba Flagg Brass
4730-00-231-3961 INTERCHANGEABLE
Elbow,pipe to Tube
5310-00-264-1993 INTERCHANGEABLE
Washer,lock
4030-00-880-3096 INTERCHANGEABLE
Thimble,rope
5120-00-883-624422004 INTERCHANGEABLE
Clamp,c
Wilton Corp Wilton Tool Div
5910-00-980-7537 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
5940-00-983-6099672 GP 04 INTERCHANGEABLE
Terminal Board
Regal Beloit America, Inc
2990-01-037-152522004 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
Cross-Reference Index
Part NumberManufacturer
22004 Waltham Clock Co Inc (USA)
Related Parts
5960-00-107-7583INTERCHANGEABLE
ELECTRON TUBE
22004
3110-00-156-3444INTERCHANGEABLE
BEARING,BALL,ANNULAR
FS88501-1V1
4730-00-184-9124INTERCHANGEABLE
ELBOW,PIPE
1103 3-4X1-2
4730-00-231-3961INTERCHANGEABLE
ELBOW,PIPE TO TUBE
5310-00-264-1993INTERCHANGEABLE
WASHER,LOCK
4030-00-880-3096INTERCHANGEABLE
THIMBLE,ROPE
5120-00-883-6244INTERCHANGEABLE
CLAMP,C
22004
5910-00-980-7537INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
5940-00-983-6099INTERCHANGEABLE
TERMINAL BOARD
672 GP 04
2990-01-037-1525INTERCHANGEABLE
MUFFLER,EXHAUST
22004
5962-01-116-9907INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
22004
6515-01-144-2612INTERCHANGEABLE
SPECULUM,OTOSCOPE
22004

Frequently Asked Questions

What is NSN 6645-00-333-3354?

NSN 6645-00-333-3354 is a Bridge Assy,center, manufactured by Waltham Clock Co Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-333-3354?

NSN 6645-00-333-3354 has 1 cross-referenced part number: 22004 (Waltham Clock Co Inc).

What NSN replaces 6645-00-333-3354?

There are 12 known substitutes for 6645-00-333-3354: 5960-00-107-7583, 3110-00-156-3444, 4730-00-184-9124 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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