Stopwatch6645-01-481-4418

NSN 6645-01-481-4418 · NIIN 014814418

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

Government record, cited

Also searched as 6645-01-481-4418 · 6645014814418 · NIIN 014814418 · 01-481-4418 · FSC 6645 Time Measuring Instruments

Nearby stock numbers ← 6645-01-481-4370 Timer, Sequential · 6645-01-481-5469 Timer, Interval →

Features

Stopwatch — FSC 6645
Scale Quantity: 2
Major Graduation Color: BLACK
Winding Method: STEM
Control Method: STEM PUSH BUTTON
Scale Name: MINUTE AND SECOND
Face Type: OPEN
Winding Device Location: TOP

Identification

NSN: 6645-01-481-4418
NIIN: 014814418
FSC: 6645 — Time Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment

General Description

The Stopwatch, cataloged under National Stock Number 6645-01-481-4418, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	6645-01-481-4418
Item Name	Stopwatch
FSC / FSG	6645 / 66 — Time Measuring Instruments
Status	ACTIVE
Scale Quantity	2
Major Graduation Color	BLACK
Winding Method	STEM
Control Method	STEM PUSH BUTTON
Scale Name	MINUTE AND SECOND
Face Type	OPEN
Winding Device Location	TOP
Scale Range	+0.0 TO 60.0 SECOND AND +0.0 TO 30.0 MINUTE
Inscription Color	BLACK
Dial Outside Diameter	2.250 INCHES IN
Jewel Quantity	7
Dial Scale Marking Luminosity	NONLUMINOUS
Graduation Unit	60.000 SECOND OR 30.000 MINUTE
Color	WHITE BACKGROUND
Correct Time Reset Type	STEM
Total Reader Time in Minutes	30.0
Dial Scale Marking Color	WHITE AND BLACK
Minor Graduation Color	BLACK
Sweep Hand Quantity	2

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
62380-013	3/9 Design control — primary reference Sargent-Welch Scientific Co

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 6645-01-481-4418?

NSN 6645-01-481-4418 is a Stopwatch, classified under FSC 6645, Time Measuring Instruments. Status: active.

What are the specifications of 6645-01-481-4418?

Key specifications for 6645-01-481-4418: Scale Quantity: 2; Major Graduation Color: BLACK; Winding Method: STEM; Control Method: STEM PUSH BUTTON. 19 specifications are documented in the U.S. Government catalog.

Is NSN 6645-01-481-4418 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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