PartsTable TECHNICAL DATA SHEET
NSN 6645-01-692-5339Government record, cited

Clock, Direct Reading6645-01-692-5339

NSN 6645-01-692-5339 · NIIN 016925339 · Part number NTD200
Masterclock, Inc. · FSC 6645 — Time Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 1GZF9
Government record, cited
NSN 6645-01-692-5339 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-692-5339. Manufacturer of record part number: NTD200.
Also searched as  6645-01-692-5339 · 6645016925339 · NIIN 016925339 · 01-692-5339 · FSC 6645 Time Measuring Instruments · CAGE 1GZF9 · NTD200
Nearby stock numbers  ·
Features
  • Clock,direct Reading — FSC 6645
  • Unable to Decode: UNABLE TO DECODE
  • Unable to Decode: UNABLE TO DECODE
  • Unable to Decode: UNABLE TO DECODE
  • Unable to Decode: UNABLE TO DECODE
  • Unable to Decode: UNABLE TO DECODE
  • Unable to Decode: UNABLE TO DECODE
  • Unable to Decode: UNABLE TO DECODE
Identification
  • NSN: 6645-01-692-5339
  • NIIN: 016925339
  • FSC: 6645 — Time Measuring Instruments
  • FSG: 66 — Instruments and Laboratory Equipment
  • Primary part number: NTD200
  • Manufacturer: Masterclock, Inc.
General Description

The Clock,direct Reading, cataloged under National Stock Number 6645-01-692-5339, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Masterclock, Inc.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-01-692-5339
Primary Part NumberNTD200
Item NameClock,direct Reading
FSC / FSG6645 / 66 — Time Measuring Instruments
ManufacturerMasterclock, Inc.
StatusACTIVE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
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
NTD200 PRIMARY Masterclock, Inc. (USA)
NTD200 Raytheon Australia Pty Ltd 1 Technology Place (AUS)
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 6645-01-692-5339?

NSN 6645-01-692-5339 is a Clock,direct Reading, manufactured by Masterclock, Inc., classified under FSC 6645, Time Measuring Instruments. Status: active.

What part numbers are listed for NSN 6645-01-692-5339?

NSN 6645-01-692-5339 has 2 manufacturer part numbers on file: NTD200 (Masterclock, Inc.), NTD200 (Raytheon Australia Pty Ltd 1 Technology Place).

What are the specifications of NTD200?

Key specifications for NTD200: Unable to Decode: UNABLE TO DECODE; Unable to Decode: UNABLE TO DECODE; Unable to Decode: UNABLE TO DECODE; Unable to Decode: UNABLE TO DECODE. 8 specifications are documented in the U.S. Government catalog.

Is NSN 6645-01-692-5339 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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