PartsTable TECHNICAL DATA SHEET
NSN 6645-01-728-0366Government record, cited

Clock, Master Regulating6645-01-728-0366

NSN 6645-01-728-0366 · NIIN 017280366 · Part number 33010023
Brandywine Communications · FSC 6645 — Time Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 03NF8
Government record, cited
NSN 6645-01-728-0366 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-728-0366. Manufacturer of record part number: 33010023.
Also searched as  6645-01-728-0366 · 6645017280366 · NIIN 017280366 · 01-728-0366 · FSC 6645 Time Measuring Instruments · CAGE 03NF8 · 33010023 · 4805350-1
Nearby stock numbers  ·
Features
  • Clock,master Regulating — FSC 6645
  • 1 manufacturer part number on file
  • Manufacturer of record: Brandywine Communications
Identification
  • NSN: 6645-01-728-0366
  • NIIN: 017280366
  • FSC: 6645 — Time Measuring Instruments
  • FSG: 66 — Instruments and Laboratory Equipment
  • Primary part number: 33010023
  • Manufacturer: Brandywine Communications
General Description

The Clock,master Regulating, cataloged under National Stock Number 6645-01-728-0366, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Brandywine Communications. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-01-728-0366
Primary Part Number33010023
Item NameClock,master Regulating
FSC / FSG6645 / 66 — Time Measuring Instruments
ManufacturerBrandywine Communications
StatusACTIVE
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
33010023 PRIMARY Brandywine Communications (USA)
Reference documents
ReferenceMeaning
4805350-1 7/2 Vendor item drawing reference
Northrop Grumman Systems Corporation
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 6645-01-728-0366?

NSN 6645-01-728-0366 is a Clock,master Regulating, manufactured by Brandywine Communications, classified under FSC 6645, Time Measuring Instruments. Status: active.

What part numbers are listed for NSN 6645-01-728-0366?

NSN 6645-01-728-0366 has 1 manufacturer part number on file: 33010023 (Brandywine Communications).

What are the specifications of 33010023?

Key specifications for 33010023: Overall Height: 3.74 INCHES NOMINAL IN; Overall Width: 19.0 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: CLOCK, MASTER REGULATING; End Item Identification: USCG OFFSHORE PATROL CUTTER (OPC). 0 specifications are documented in the U.S. Government catalog.

Is NSN 6645-01-728-0366 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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