PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42162Setting and Jewel

Hamilton Watch Co Inc · NSN 6645-00-505-6021 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-505-6021 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-505-6021. Primary manufacturer part number: 42162.
Features
  • Setting and Jewel — FSC 6645
  • 1 verified cross-reference
  • Primary manufacturer: Hamilton Watch Co Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Setting and Jewel, cataloged under National Stock Number 6645-00-505-6021, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hamilton Watch Co Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSetting and Jewel
FSC / FSG6645 — No Item Name Available (FSG 66)
ManufacturersHamilton Watch Co Inc (CAGE 26992)
Technical Specifications
ParameterValue
NSN6645-00-505-6021
Primary Part Number42162
Item NameSetting and Jewel
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerHamilton Watch Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2920-00-021-4950369259-16 INTERCHANGEABLE
Lead,ignition,engine
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
2530-00-026-392020D457 INTERCHANGEABLE
Link Assembly,drag
Eaton Corp Dba Eaton Aerospace Jackson
5950-00-194-8992SC-C-17143 INTERCHANGEABLE
Transformer,power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
42162 PRIMARY Hamilton Watch Co Inc (USA)
Related Parts
2920-00-021-4950INTERCHANGEABLE
LEAD,IGNITION,ENGINE
369259-16
2530-00-026-3920INTERCHANGEABLE
LINK ASSEMBLY,DRAG
20D457
5950-00-194-8992INTERCHANGEABLE
TRANSFORMER,POWER
SC-C-17143

Frequently Asked Questions

What is NSN 6645-00-505-6021?

NSN 6645-00-505-6021 is a Setting and Jewel, manufactured by Hamilton Watch Co Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-505-6021?

NSN 6645-00-505-6021 has 1 cross-referenced part number: 42162 (Hamilton Watch Co Inc).

What NSN replaces 6645-00-505-6021?

There are 3 known substitutes for 6645-00-505-6021: 2920-00-021-4950, 2530-00-026-3920, 5950-00-194-8992. Verify interchangeability with system specifications before substitution.

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