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NSN 6645-01-582-4752Government record, cited

Clock, Marine, Mechanical6645-01-582-4752

NSN 6645-01-582-4752 · NIIN 015824752 · Part number 20417 G
The Chelsea Clock Llc · FSC 6645 — Time Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 11755
Government record, cited
NSN 6645-01-582-4752 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-582-4752. Manufacturer of record part number: 20417 G.
Also searched as  6645-01-582-4752 · 6645015824752 · NIIN 015824752 · 01-582-4752 · FSC 6645 Time Measuring Instruments · CAGE 11755 · 20417 G
Nearby stock numbers  ·
Features
  • Clock,marine,mechanical — FSC 6645
  • Scale Quantity: 2
  • Scale Name: SECOND AND MINUTE AND 12 HOUR AND 24 HOUR
  • Second Hand Type: SWEEP
  • Precious Material: GOLD
  • Bezel Type: HINGED
  • Dial Outside Diameter: 6.000 INCHES IN
  • Graduation Unit: 1.000 HOUR
Identification
  • NSN: 6645-01-582-4752
  • NIIN: 015824752
  • FSC: 6645 — Time Measuring Instruments
  • FSG: 66 — Instruments and Laboratory Equipment
  • Primary part number: 20417 G
  • Manufacturer: The Chelsea Clock Llc
General Description

The Clock,marine,mechanical, cataloged under National Stock Number 6645-01-582-4752, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is The Chelsea Clock Llc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-01-582-4752
Primary Part Number20417 G
Item NameClock,marine,mechanical
FSC / FSG6645 / 66 — Time Measuring Instruments
ManufacturerThe Chelsea Clock Llc
StatusACTIVE
Scale Quantity2
Scale NameSECOND AND MINUTE AND 12 HOUR AND 24 HOUR
Second Hand TypeSWEEP
Precious MaterialGOLD
Bezel TypeHINGED
Dial Outside Diameter6.000 INCHES IN
Graduation Unit1.000 HOUR
ColorWHITE BACKGROUND
Precious Material and LocationINTERNAL GOLD PLATED BRASS GEARS GOLD
Special MarkingsU.S. GOVERNMENT MARKED ON DIAL
MaterialPLASTIC PHENOL FORMALDEHYDE (PMO) CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
20417 G PRIMARY The Chelsea Clock Llc (USA)
No interchangeability data on file.
Other items in FSC 6645 — Time Measuring Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6645-00-001-1256
6645-00-001-1256 · Item name not on file
6645-00-001-4498
6645-00-001-4498 · Item name not on file
6645-00-001-4584
6645-00-001-4584 · Item name not on file
6645-00-001-9400
METER,TIME TOTALIZING
6645-00-003-0327
6645-00-003-0327 · Item name not on file
6645-00-003-0328
6645-00-003-0328 · Item name not on file
6645-00-003-0337
6645-00-003-0337 · Item name not on file
6645-00-003-0338
METER,TIME TOTALIZING

Frequently Asked Questions

What is NSN 6645-01-582-4752?

NSN 6645-01-582-4752 is a Clock,marine,mechanical, manufactured by The Chelsea Clock Llc, classified under FSC 6645, Time Measuring Instruments. Status: active.

What part numbers are listed for NSN 6645-01-582-4752?

NSN 6645-01-582-4752 has 1 manufacturer part number on file: 20417 G (The Chelsea Clock Llc).

What are the specifications of 20417 G?

Key specifications for 20417 G: Scale Quantity: 2; Scale Name: SECOND AND MINUTE AND 12 HOUR AND 24 HOUR; Second Hand Type: SWEEP; Precious Material: GOLD. 11 specifications are documented in the U.S. Government catalog.

Is NSN 6645-01-582-4752 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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