Meter, Time Totalizing6645-01-372-4364

NSN 6645-01-372-4364 · NIIN 013724364

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

Government record, cited

Also searched as 6645-01-372-4364 · 6645013724364 · NIIN 013724364 · 01-372-4364 · FSC 6645 Time Measuring Instruments

Nearby stock numbers ← 6645-01-372-4149 Timer, Interval · 6645-01-372-4365 →

Features

Meter,time Totalizing — FSC 6645
Indicator Type: DIGITAL COUNTER
Terminal Quantity: 2
Movement Type: ELECTRICAL
Current Type: AC
Overall Diameter: 3.500 INCHES NOMINAL IN
Mounting Method: FLUSH
Operating Frequency: 50.0 HERTZ NOMINAL

Identification

NSN: 6645-01-372-4364
NIIN: 013724364
FSC: 6645 — Time Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment

General Description

The Meter,time Totalizing, cataloged under National Stock Number 6645-01-372-4364, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	6645-01-372-4364
Item Name	Meter,time Totalizing
FSC / FSG	6645 / 66 — Time Measuring Instruments
Status	ACTIVE
Indicator Type	DIGITAL COUNTER
Terminal Quantity	2
Movement Type	ELECTRICAL
Current Type	AC
Overall Diameter	3.500 INCHES NOMINAL IN
Mounting Method	FLUSH
Operating Frequency	50.0 HERTZ NOMINAL
Maximum Measurement	99999.90
Unit Type	MOUNTED
Reset Feature	NOT PROVIDED
Mounting Configuration	3 MTG HOLES 0.150 IN. DIA EQUALLY SPACED IN
Mounting Flange Diameter	2.550 INCHES NOMINAL IN
Mounting Type	FLANGE
Voltage Rating	220.0 VOLTS NOMINAL

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
635E-99999.9H220/50	3/9 Design control — primary reference Cramer Co Division of Chestnut Group 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 6645-01-372-4364?

NSN 6645-01-372-4364 is a Meter,time Totalizing, classified under FSC 6645, Time Measuring Instruments. Status: active.

What are the specifications of 6645-01-372-4364?

Key specifications for 6645-01-372-4364: Indicator Type: DIGITAL COUNTER; Terminal Quantity: 2; Movement Type: ELECTRICAL; Current Type: AC. 14 specifications are documented in the U.S. Government catalog.

Is NSN 6645-01-372-4364 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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