PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22300047Case,aircraft Clock

Waltham Clock Co Inc · NSN 6645-00-536-1489 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-536-1489 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-536-1489. Primary manufacturer part number: 22300047.
Features
  • Case,aircraft Clock — FSC 6645
  • General Characteristics Item Description: 2.250 IN. BODY DIA; 2.375 IN. SQ CASE; THERMOSETTING MATERIAL WITH SUITABLE FILLER AND PHENOL CONDENSATION BINDER IN
  • 3 verified cross-references
  • Primary manufacturer: Waltham Clock Co Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Case,aircraft Clock, cataloged under National Stock Number 6645-00-536-1489, 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. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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.

Technical Specifications
ParameterValue
NSN6645-00-536-1489
Primary Part Number22300047
Item NameCase,aircraft Clock
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWaltham Clock Co Inc
StatusACTIVE
General Characteristics Item Description2.250 IN. BODY DIA; 2.375 IN. SQ CASE; THERMOSETTING MATERIAL WITH SUITABLE FILLER AND PHENOL CONDENSATION BINDER IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-054-5651 INTERCHANGEABLE
Screw,machine
3110-00-227-478823026 INTERCHANGEABLE
Bearing,roller,self-Aligning
Skf Usa Inc.
5136-00-239-2774401060 INTERCHANGEABLE
Die,thread Cutting
Greenfield Industries Inc
3010-00-330-9731 INTERCHANGEABLE
Gearcase-Motor
5330-00-423-3472230-26 INTERCHANGEABLE
Gasket
Illinois Tool Works Inc.
5340-00-917-627423026 INTERCHANGEABLE
Disk,solid,plain
Cadillac Gage Textron Inc.
5120-01-140-239528825 INTERCHANGEABLE
Vise,pipe
Jpw Industries Inc. Dba Jpw Industries Inc
3020-01-159-631623026 INTERCHANGEABLE
Pulley
L3 Technologies, Inc. Div L3harris Edo Western Corporation
5342-01-188-92022-3026 INTERCHANGEABLE
Outlet Cap
Cubic Defense Applications, Inc.
5963-01-249-641923026 INTERCHANGEABLE
Regulator,voltage
Biotek Instruments, Inc. Dba Biotek Div Bio-Tek Instruments Llc Dba Biotek Instruments Inc.
Cross-Reference Index
Part NumberManufacturer
22300047 Waltham Clock Co Inc (USA)
300432 Waltham Clock Co Inc (USA)
23026 Waltham Clock Co Inc (USA)
Related Parts
5305-00-054-5651INTERCHANGEABLE
SCREW,MACHINE
3110-00-227-4788INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
23026
5136-00-239-2774INTERCHANGEABLE
DIE,THREAD CUTTING
401060
3010-00-330-9731INTERCHANGEABLE
GEARCASE-MOTOR
5330-00-423-3472INTERCHANGEABLE
GASKET
230-26
5340-00-917-6274INTERCHANGEABLE
DISK,SOLID,PLAIN
23026
5120-01-140-2395INTERCHANGEABLE
VISE,PIPE
28825
3020-01-159-6316INTERCHANGEABLE
PULLEY
23026
5342-01-188-9202INTERCHANGEABLE
OUTLET CAP
2-3026
5963-01-249-6419INTERCHANGEABLE
REGULATOR,VOLTAGE
23026
4730-01-313-2225INTERCHANGEABLE
ADAPTER BUSHING
2-3026
3940-01-643-0403INTERCHANGEABLE
BLOCK,TACKLE
300432

Frequently Asked Questions

What is NSN 6645-00-536-1489?

NSN 6645-00-536-1489 is a Case,aircraft Clock, manufactured by Waltham Clock Co Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-536-1489?

NSN 6645-00-536-1489 has 3 cross-referenced part numbers: 22300047 (Waltham Clock Co Inc), 300432 (Waltham Clock Co Inc), 23026 (Waltham Clock Co Inc).

What NSN replaces 6645-00-536-1489?

There are 12 known substitutes for 6645-00-536-1489: 5305-00-054-5651, 3110-00-227-4788, 5136-00-239-2774 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22300047?

Key specifications for 22300047: General Characteristics Item Description: 2.250 IN. BODY DIA; 2.375 IN. SQ CASE; THERMOSETTING MATERIAL WITH SUITABLE FILLER AND PHENOL CONDENSATION BINDER 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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