PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7376Wheel Assembly

The Chelsea Clock Llc · NSN 6645-00-163-0546 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-163-0546 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-163-0546. Primary manufacturer part number: 7376.
Features
  • Wheel Assembly — FSC 6645
  • 4 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 6645-00-163-0546, 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. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWheel Assembly
FSC / FSG6645 — No Item Name Available (FSG 66)
ManufacturersGeneral Time Corp P O Box 24388 Knoxville in 37933 (CAGE 82720); Naval Observatory (CAGE 88133); The Chelsea Clock Llc (CAGE 11755)
Technical Specifications
ParameterValue
NSN6645-00-163-0546
Primary Part Number7376
Item NameWheel Assembly
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerThe Chelsea Clock Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4820-00-036-2470 INTERCHANGEABLE
Diaphragm,valve,flat
5330-00-196-5385 INTERCHANGEABLE
Packing,preformed
3020-00-367-2879 INTERCHANGEABLE
Gear,worm Wheel
6240-00-499-6278CM7376 INTERCHANGEABLE
Lamp,incandescent
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
5120-00-545-4372T42 INTERCHANGEABLE
Tire Iron
Summit Tool Company
5950-00-688-6932 INTERCHANGEABLE
Transformer,audio Frequency
6240-01-032-6598 INTERCHANGEABLE
Lamp,incandescent
6510-01-036-90647376 INTERCHANGEABLE
Bandage,cast,impregnated
Bsn Medical Inc
8305-01-487-0018 INTERCHANGEABLE
Cloth,impregnated
4730-01-617-20387376 INTERCHANGEABLE
Adapter,straight,pipe to Boss
Independent Rough Terrain Center Llc
Cross-Reference Index
Part NumberManufacturer
7376 General Time Corp P O Box 24388 Knoxville in 37933 (USA)
91-3CHC0 Naval Observatory (USA)
7376 PRIMARY The Chelsea Clock Llc (USA)
49-12B87-20 Naval Observatory (USA)
Related Parts
4820-00-036-2470INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
5330-00-196-5385INTERCHANGEABLE
PACKING,PREFORMED
3020-00-367-2879INTERCHANGEABLE
GEAR,WORM WHEEL
6240-00-499-6278INTERCHANGEABLE
LAMP,INCANDESCENT
CM7376
5120-00-545-4372INTERCHANGEABLE
TIRE IRON
T42
5950-00-688-6932INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
6240-01-032-6598INTERCHANGEABLE
LAMP,INCANDESCENT
6510-01-036-9064INTERCHANGEABLE
BANDAGE,CAST,IMPREGNATED
7376
8305-01-487-0018INTERCHANGEABLE
CLOTH,IMPREGNATED
4730-01-617-2038INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO BOSS
7376

Frequently Asked Questions

What is NSN 6645-00-163-0546?

NSN 6645-00-163-0546 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 6645-00-163-0546?

NSN 6645-00-163-0546 has 4 cross-referenced part numbers: 7376 (General Time Corp P O Box 24388 Knoxville in 37933), 91-3CHC0 (Naval Observatory), 7376 (The Chelsea Clock Llc), 49-12B87-20 (Naval Observatory).

What NSN replaces 6645-00-163-0546?

There are 10 known substitutes for 6645-00-163-0546: 4820-00-036-2470, 5330-00-196-5385, 3020-00-367-2879 and 7 more. Verify interchangeability with system specifications before substitution.

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