PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22232Stud,hairspring

Waltham Clock Co Inc · NSN 6645-00-544-8529 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-544-8529 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-544-8529. Primary manufacturer part number: 22232.
Features
  • Stud,hairspring — 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 Stud,hairspring, cataloged under National Stock Number 6645-00-544-8529, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameStud,hairspring
FSC / FSG6645 — No Item Name Available (FSG 66)
ManufacturersWaltham Clock Co Inc (CAGE 79300)
Technical Specifications
ParameterValue
NSN6645-00-544-8529
Primary Part Number22232
Item NameStud,hairspring
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWaltham Clock Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
9540-00-148-485360-726 INTERCHANGEABLE
Beam,structural
Transtar Metals Corp
3110-00-155-9059 INTERCHANGEABLE
Bearing,roller,self-Aligning
3455-00-516-406019645 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
4720-00-720-4162FC195-32 INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
3940-00-797-741222232 INTERCHANGEABLE
Sling,endless
Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company
5950-00-883-9321 INTERCHANGEABLE
Coil,radio Frequency
6210-00-933-8652 INTERCHANGEABLE
Light,indicator
5970-01-612-6706 INTERCHANGEABLE
Insulation Sleeving,electrical
Cross-Reference Index
Part NumberManufacturer
22232 Waltham Clock Co Inc (USA)
Related Parts
9540-00-148-4853INTERCHANGEABLE
BEAM,STRUCTURAL
60-726
3110-00-155-9059INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
3455-00-516-4060INTERCHANGEABLE
REAMER,MACHINE
19645
4720-00-720-4162INTERCHANGEABLE
HOSE,NONMETALLIC
FC195-32
3940-00-797-7412INTERCHANGEABLE
SLING,ENDLESS
22232
5950-00-883-9321INTERCHANGEABLE
COIL,RADIO FREQUENCY
6210-00-933-8652INTERCHANGEABLE
LIGHT,INDICATOR
5970-01-612-6706INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL

Frequently Asked Questions

What is NSN 6645-00-544-8529?

NSN 6645-00-544-8529 is a Stud,hairspring, manufactured by Waltham Clock Co Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-544-8529?

NSN 6645-00-544-8529 has 1 cross-referenced part number: 22232 (Waltham Clock Co Inc).

What NSN replaces 6645-00-544-8529?

There are 8 known substitutes for 6645-00-544-8529: 9540-00-148-4853, 3110-00-155-9059, 3455-00-516-4060 and 5 more. Verify interchangeability with system specifications before substitution.

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