PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7354Wheel Assembly

The Chelsea Clock Llc · NSN 6645-00-163-0773 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-163-0773 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-163-0773. Primary manufacturer part number: 7354.
Features
  • Wheel Assembly — FSC 6645
  • General Characteristics Item Description: BRASS; 1.000 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 6645-00-163-0773, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-00-163-0773
Primary Part Number7354
Item NameWheel Assembly
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerThe Chelsea Clock Llc
StatusACTIVE
General Characteristics Item DescriptionBRASS; 1.000 IN. DIA IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-051-0348580R187H01 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
3110-00-100-0211BT355 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Ntn Bearing Corporation of America
5360-01-231-04201553 INTERCHANGEABLE
Spring Magazine
O F Mossberg & Sons Inc
5330-01-309-33137-354 INTERCHANGEABLE
Ring,wiper
Hader-Seitz Inc
7310-01-520-79567354 INTERCHANGEABLE
Cover,food Container
Cambro Manufacturing Company Dba Cambro Manufacturing Co
5925-01-565-0426 INTERCHANGEABLE
Circuit Breaker
Cross-Reference Index
Part NumberManufacturer
49-9B87-22 Naval Observatory (USA)
7354 PRIMARY The Chelsea Clock Llc (USA)
Related Parts
5950-00-051-0348INTERCHANGEABLE
TRANSFORMER,POWER
580R187H01
3110-00-100-0211INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
BT355
5360-01-231-0420INTERCHANGEABLE
SPRING MAGAZINE
1553
5330-01-309-3313INTERCHANGEABLE
RING,WIPER
7-354
7310-01-520-7956INTERCHANGEABLE
COVER,FOOD CONTAINER
7354
5925-01-565-0426INTERCHANGEABLE
CIRCUIT BREAKER

Frequently Asked Questions

What is NSN 6645-00-163-0773?

NSN 6645-00-163-0773 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 6645-00-163-0773?

NSN 6645-00-163-0773 has 2 cross-referenced part numbers: 49-9B87-22 (Naval Observatory), 7354 (The Chelsea Clock Llc).

What NSN replaces 6645-00-163-0773?

There are 6 known substitutes for 6645-00-163-0773: 5950-00-051-0348, 3110-00-100-0211, 5360-01-231-0420 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7354?

Key specifications for 7354: General Characteristics Item Description: BRASS; 1.000 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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