PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22254Wheel-Escape and Pi

Waltham Clock Co Inc · NSN 6645-00-487-8023 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-487-8023 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-487-8023. Primary manufacturer part number: 22254.
Features
  • Wheel-Escape and Pi — 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 and Pi, cataloged under National Stock Number 6645-00-487-8023, 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 and Pi
FSC / FSG6645 — No Item Name Available (FSG 66)
ManufacturersWaltham Clock Co Inc (CAGE 79300)
Technical Specifications
ParameterValue
NSN6645-00-487-8023
Primary Part Number22254
Item NameWheel-Escape and Pi
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerWaltham Clock Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-158-60131228Z52 INTERCHANGEABLE
Bearing,roller,cylindrical
Meritor Industrial Products, Llc
5120-00-293-0842 INTERCHANGEABLE
Spoon,body and Fender
5330-00-388-776922254 INTERCHANGEABLE
Gasket
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5315-01-128-56129348222 INTERCHANGEABLE
Pin,grooved,headless
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5310-01-190-205722254 INTERCHANGEABLE
Nut,plain,extended Washer,round
Dana Commercial Vehicle Products, Llc
5310-01-268-0117 INTERCHANGEABLE
Nut,sleeve
5330-01-480-766622254 INTERCHANGEABLE
Seal,plain
Exceltec Intl Corp
6850-01-607-0583 INTERCHANGEABLE
Additive Diesel Fue
Cross-Reference Index
Part NumberManufacturer
22254 Waltham Clock Co Inc (USA)
Related Parts
3110-00-158-6013INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
1228Z52
5120-00-293-0842INTERCHANGEABLE
SPOON,BODY AND FENDER
5330-00-388-7769INTERCHANGEABLE
GASKET
22254
5315-01-128-5612INTERCHANGEABLE
PIN,GROOVED,HEADLESS
9348222
5310-01-190-2057INTERCHANGEABLE
NUT,PLAIN,EXTENDED WASHER,ROUND
22254
5310-01-268-0117INTERCHANGEABLE
NUT,SLEEVE
5330-01-480-7666INTERCHANGEABLE
SEAL,PLAIN
22254
6850-01-607-0583INTERCHANGEABLE
ADDITIVE DIESEL FUE

Frequently Asked Questions

What is NSN 6645-00-487-8023?

NSN 6645-00-487-8023 is a Wheel-Escape and Pi, manufactured by Waltham Clock Co Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-487-8023?

NSN 6645-00-487-8023 has 1 cross-referenced part number: 22254 (Waltham Clock Co Inc).

What NSN replaces 6645-00-487-8023?

There are 8 known substitutes for 6645-00-487-8023: 3110-00-158-6013, 5120-00-293-0842, 5330-00-388-7769 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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