PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23003Bridge Assy,center

Waltham Clock Co Inc · NSN 6645-00-536-1471 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-536-1471 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-536-1471. Primary manufacturer part number: 23003.
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 6645-00-536-1471, 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. 9 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
NSN6645-00-536-1471
Primary Part Number23003
Item NameBridge Assy,center
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWaltham Clock Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5305-00-054-5638 INTERCHANGEABLE
Screw,machine
5985-00-408-987623003 INTERCHANGEABLE
Attenuator,fixed
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
4610-00-526-65743C0800002 INTERCHANGEABLE
Demineralizer,water,ion Exchange
Evoqua Water Technologies Llc
5360-00-527-2472 INTERCHANGEABLE
Spring,helical,compression
6850-01-152-2286WB460-29 INTERCHANGEABLE
Coating,chemical
Flexabar Corporation
5340-01-282-566223003 INTERCHANGEABLE
Clamp,loop
Industrial Technologies and Services Llc
8335-01-324-275523003 INTERCHANGEABLE
Cushion,heel Spur
Ortho-Products Inc Po Box 988 Warsaw, in 46581-0988
5331-01-340-391023003 INTERCHANGEABLE
O-Ring
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
6750-01-426-9127 INTERCHANGEABLE
Chemical Kit,photographic Color
Cross-Reference Index
Part NumberManufacturer
23003 Waltham Clock Co Inc (USA)
Related Parts
5305-00-054-5638INTERCHANGEABLE
SCREW,MACHINE
5985-00-408-9876INTERCHANGEABLE
ATTENUATOR,FIXED
23003
4610-00-526-6574INTERCHANGEABLE
DEMINERALIZER,WATER,ION EXCHANGE
3C0800002
5360-00-527-2472INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6850-01-152-2286INTERCHANGEABLE
COATING,CHEMICAL
WB460-29
5340-01-282-5662INTERCHANGEABLE
CLAMP,LOOP
23003
8335-01-324-2755INTERCHANGEABLE
CUSHION,HEEL SPUR
23003
5331-01-340-3910INTERCHANGEABLE
O-RING
23003
6750-01-426-9127INTERCHANGEABLE
CHEMICAL KIT,PHOTOGRAPHIC COLOR

Frequently Asked Questions

What is NSN 6645-00-536-1471?

NSN 6645-00-536-1471 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 6645-00-536-1471?

NSN 6645-00-536-1471 has 1 cross-referenced part number: 23003 (Waltham Clock Co Inc).

What NSN replaces 6645-00-536-1471?

There are 9 known substitutes for 6645-00-536-1471: 5305-00-054-5638, 5985-00-408-9876, 4610-00-526-6574 and 6 more. Verify interchangeability with system specifications before substitution.

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