PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22255Wheel-Escape

Waltham Clock Co Inc · NSN 6645-00-449-2645 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-449-2645 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-449-2645. Primary manufacturer part number: 22255.
Features
  • Wheel-Escape — 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 Wheel-Escape, cataloged under National Stock Number 6645-00-449-2645, 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 NameWheel-Escape
FSC / FSG6645 — No Item Name Available (FSG 66)
ManufacturersWaltham Clock Co Inc (CAGE 79300)
Technical Specifications
ParameterValue
NSN6645-00-449-2645
Primary Part Number22255
Item NameWheel-Escape
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWaltham Clock Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3020-00-068-7641 INTERCHANGEABLE
Shaft,gear
9540-00-148-4364 INTERCHANGEABLE
Beam,structural
2915-00-786-341722255 INTERCHANGEABLE
Shaft,splined,fuel
Triumph Engine Control Systems Llc
5330-01-132-556422255 INTERCHANGEABLE
Gasket
Industrial Technologies and Services Llc
5985-01-167-096322255 INTERCHANGEABLE
Pin and Nut
Scientific Atlanta Inc
6145-01-291-2918UL62SEO6BCF2/18TPETPE INTERCHANGEABLE
Cable,power,electrical
Underwriters Laboratories Inc
3110-01-417-623122255 INTERCHANGEABLE
Cam Follower,needle Bearing
Pulsafeeder Inc
6850-01-617-5155 INTERCHANGEABLE
Additive,diesel
Cross-Reference Index
Part NumberManufacturer
22255 Waltham Clock Co Inc (USA)
Related Parts
3020-00-068-7641INTERCHANGEABLE
SHAFT,GEAR
9540-00-148-4364INTERCHANGEABLE
BEAM,STRUCTURAL
2915-00-786-3417INTERCHANGEABLE
SHAFT,SPLINED,FUEL
22255
5330-01-132-5564INTERCHANGEABLE
GASKET
22255
5985-01-167-0963INTERCHANGEABLE
PIN AND NUT
22255
6145-01-291-2918INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
UL62SEO6BCF2/18TPETPE
3110-01-417-6231INTERCHANGEABLE
CAM FOLLOWER,NEEDLE BEARING
22255
6850-01-617-5155INTERCHANGEABLE
ADDITIVE,DIESEL

Frequently Asked Questions

What is NSN 6645-00-449-2645?

NSN 6645-00-449-2645 is a Wheel-Escape, manufactured by Waltham Clock Co Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-449-2645?

NSN 6645-00-449-2645 has 1 cross-referenced part number: 22255 (Waltham Clock Co Inc).

What NSN replaces 6645-00-449-2645?

There are 8 known substitutes for 6645-00-449-2645: 3020-00-068-7641, 9540-00-148-4364, 2915-00-786-3417 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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