PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7463Wheel Assembly

The Chelsea Clock Llc · NSN 6645-00-163-0765 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-163-0765 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-163-0765. Primary manufacturer part number: 7463.
Features
  • Wheel Assembly — FSC 6645
  • General Characteristics Item Description: BRASS; 1.125 IN. DIA IN
  • 2 verified cross-references
  • Primary manufacturer: The Chelsea Clock Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Wheel Assembly, cataloged under National Stock Number 6645-00-163-0765, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is The Chelsea Clock Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-00-163-0765
Primary Part Number7463
Item NameWheel Assembly
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerThe Chelsea Clock Llc
StatusACTIVE
General Characteristics Item DescriptionBRASS; 1.125 IN. DIA IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5940-00-257-56532306-08-00 INTERCHANGEABLE
Terminal,lug
Illinois Tool Works Inc
4130-00-270-4465 INTERCHANGEABLE
Filter-Drier,refrigerant
5330-00-350-04727463-000 INTERCHANGEABLE
Gasket
Danfoss Power Solutions II, Llc
4730-00-407-0571207ACBH-8 INTERCHANGEABLE
Coupling,pipe
Parker-Hannifin Corp Div Fluid System Connector Division
5905-00-513-069702000-3556 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Asrc Federal Facilities Logistics, Llc
4510-00-865-0899F12860 INTERCHANGEABLE
Cover,faucet Hole
Crane Co Div Valve Div
4420-01-275-624321800 INTERCHANGEABLE
Core Assembly,fluid Cooler
Coffin Turbo Pump Inc
4130-01-327-32937463 INTERCHANGEABLE
Condenser Coil,refrigeration
Schneider Metal Mfg Co Inc Ross Temp Div
5945-01-466-79142253 INTERCHANGEABLE
Relay,thermal
Better Engineering Manufacturing Inc
5925-01-641-2068 INTERCHANGEABLE
Circuit Breaker
Cross-Reference Index
Part NumberManufacturer
7463 PRIMARY The Chelsea Clock Llc (USA)
49-3C87-16 Naval Observatory (USA)
Related Parts
5940-00-257-5653INTERCHANGEABLE
TERMINAL,LUG
2306-08-00
4130-00-270-4465INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
5330-00-350-0472INTERCHANGEABLE
GASKET
7463-000
4730-00-407-0571INTERCHANGEABLE
COUPLING,PIPE
207ACBH-8
5905-00-513-0697INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
02000-3556
4510-00-865-0899INTERCHANGEABLE
COVER,FAUCET HOLE
F12860
4420-01-275-6243INTERCHANGEABLE
CORE ASSEMBLY,FLUID COOLER
21800
4130-01-327-3293INTERCHANGEABLE
CONDENSER COIL,REFRIGERATION
7463
5945-01-466-7914INTERCHANGEABLE
RELAY,THERMAL
2253
5925-01-641-2068INTERCHANGEABLE
CIRCUIT BREAKER

Frequently Asked Questions

What is NSN 6645-00-163-0765?

NSN 6645-00-163-0765 is a Wheel Assembly, manufactured by The Chelsea Clock Llc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-163-0765?

NSN 6645-00-163-0765 has 2 cross-referenced part numbers: 7463 (The Chelsea Clock Llc), 49-3C87-16 (Naval Observatory).

What NSN replaces 6645-00-163-0765?

There are 10 known substitutes for 6645-00-163-0765: 5940-00-257-5653, 4130-00-270-4465, 5330-00-350-0472 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7463?

Key specifications for 7463: General Characteristics Item Description: BRASS; 1.125 IN. DIA 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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