PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23234Wheel,crown

Waltham Aircraft Clock Corp · NSN 6645-00-536-1553 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-536-1553 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-536-1553. Primary manufacturer part number: 23234.
Features
  • Wheel,crown — FSC 6645
  • 3 verified cross-references
  • Primary manufacturer: Waltham Aircraft Clock Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Wheel,crown, cataloged under National Stock Number 6645-00-536-1553, 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 Aircraft Clock Corp. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWheel,crown
FSC / FSG6645 — No Item Name Available (FSG 66)
ManufacturersWaltham Clock Co Inc (CAGE 79300); Waltham Aircraft Clock Corp (CAGE 0Y4A4)
Technical Specifications
ParameterValue
NSN6645-00-536-1553
Primary Part Number23234
Item NameWheel,crown
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWaltham Aircraft Clock Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5136-00-189-3197402076 INTERCHANGEABLE
Die,thread Cutting
Greenfield Industries Inc
5331-00-291-5620 INTERCHANGEABLE
O-Ring
5985-01-046-489823234 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5340-01-357-167423234 INTERCHANGEABLE
Seat,helical Compression Spring
Parker Hannifin Corporation Div Hydraulic Systems Division
5935-01-440-0008232A2 INTERCHANGEABLE
Adapter,connector
Maury Microwave, Inc. Dba Maury Microwave
5985-01-549-025623-2-34 INTERCHANGEABLE
Attenuator,fixed
Spectrum Control Inc Div Weinschel
Cross-Reference Index
Part NumberManufacturer
23234 Waltham Clock Co Inc (USA)
23234 PRIMARY Waltham Aircraft Clock Corp (USA)
22300259 Waltham Clock Co Inc (USA)
Related Parts
5136-00-189-3197INTERCHANGEABLE
DIE,THREAD CUTTING
402076
5331-00-291-5620INTERCHANGEABLE
O-RING
5985-01-046-4898INTERCHANGEABLE
COUPLER,DIRECTIONAL
23234
5340-01-357-1674INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
23234
5935-01-440-0008INTERCHANGEABLE
ADAPTER,CONNECTOR
232A2
5985-01-549-0256INTERCHANGEABLE
ATTENUATOR,FIXED
23-2-34

Frequently Asked Questions

What is NSN 6645-00-536-1553?

NSN 6645-00-536-1553 is a Wheel,crown, manufactured by Waltham Aircraft Clock Corp, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-536-1553?

NSN 6645-00-536-1553 has 3 cross-referenced part numbers: 23234 (Waltham Clock Co Inc), 23234 (Waltham Aircraft Clock Corp), 22300259 (Waltham Clock Co Inc).

What NSN replaces 6645-00-536-1553?

There are 6 known substitutes for 6645-00-536-1553: 5136-00-189-3197, 5331-00-291-5620, 5985-01-046-4898 and 3 more. Verify interchangeability with system specifications before substitution.

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