Timer, Stop6645-01-644-2563

NSN 6645-01-644-2563 · NIIN 016442563

FSC 6645 — Time Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment

Government record, cited

Also searched as 6645-01-644-2563 · 6645016442563 · NIIN 016442563 · 01-644-2563 · FSC 6645 Time Measuring Instruments

Nearby stock numbers ← 6645-01-644-1644 Meter, Time Totalizing · 6645-01-644-2934 Meter, Time Totalizing →

Features

Timer,stop — FSC 6645
Control Type: ANY ACCEPTABLE
Reset Type: ANY ACCEPTABLE
Timer Type: ANY ACCEPTABLE
Hand Color: ANY ACCEPTABLE
Color: GRAY/GREY

Identification

NSN: 6645-01-644-2563
NIIN: 016442563
FSC: 6645 — Time Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment

General Description

The Timer,stop, cataloged under National Stock Number 6645-01-644-2563, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	6645-01-644-2563
Item Name	Timer,stop
FSC / FSG	6645 / 66 — Time Measuring Instruments
Status	ACTIVE
Control Type	ANY ACCEPTABLE
Reset Type	ANY ACCEPTABLE
Timer Type	ANY ACCEPTABLE
Hand Color	ANY ACCEPTABLE
Color	GRAY/GREY

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
CEI-4710	3/9 Design control — primary reference Competition Electronics Inc

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 6645-01-644-2563?

NSN 6645-01-644-2563 is a Timer,stop, classified under FSC 6645, Time Measuring Instruments. Status: active.

What are the specifications of 6645-01-644-2563?

Key specifications for 6645-01-644-2563: Overall Height: 1.5 INCHES NOMINAL IN; Control Type: ANY ACCEPTABLE; Reset Type: ANY ACCEPTABLE; Overall Width: 5.0 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 6645-01-644-2563 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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