PartsTable TECHNICAL DATA SHEET

NSN 6645-01-666-9019Government record, cited

Meter, Time Totalizing6645-01-666-9019

NSN 6645-01-666-9019 · NIIN 016669019 · Part number T50B5912

Curtis Instruments, Inc. Dba Curtis Pmc Division · FSC 6645 — Time Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 18583

Government record, cited

NSN 6645-01-666-9019 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-666-9019. Manufacturer of record part number: T50B5912.

Also searched as 6645-01-666-9019 · 6645016669019 · NIIN 016669019 · 01-666-9019 · FSC 6645 Time Measuring Instruments · CAGE 18583 · T50B5912

Nearby stock numbers ← 6645-01-666-8623 Timer, Sequential · 6645-01-667-1351 Timer, Sequential →

Features

Meter,time Totalizing — FSC 6645
1 manufacturer part number on file
Manufacturer of record: Curtis Instruments, Inc. Dba Curtis Pmc Division

Identification

NSN: 6645-01-666-9019
NIIN: 016669019
FSC: 6645 — Time Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: T50B5912
Manufacturer: Curtis Instruments, Inc. Dba Curtis Pmc Division

General Description

The Meter,time Totalizing, cataloged under National Stock Number 6645-01-666-9019, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Curtis Instruments, Inc. Dba Curtis Pmc Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Meter,time Totalizing
FSC / FSG	6645 — Time Measuring Instruments (FSG 66)
Manufacturers	Curtis Instruments, Inc. Dba Curtis Pmc Division (CAGE 18583)

Technical Specifications

Parameter	Value
NSN	6645-01-666-9019
Primary Part Number	T50B5912
Item Name	Meter,time Totalizing
FSC / FSG	6645 / 66 — Time Measuring Instruments
Manufacturer	Curtis Instruments, Inc. Dba Curtis Pmc Division
Status	ACTIVE

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

Part Number	Manufacturer
T50B5912 PRIMARY	Curtis Instruments, Inc. Dba Curtis Pmc Division (USA)

Reference documents

Reference	Meaning
T50B5912	5/9 Secondary reference E N M Company (inc) (del) Dba E N M Digital Counters

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 6645-01-666-9019?

NSN 6645-01-666-9019 is a Meter,time Totalizing, manufactured by Curtis Instruments, Inc. Dba Curtis Pmc Division, classified under FSC 6645, Time Measuring Instruments. Status: active.

What part numbers are listed for NSN 6645-01-666-9019?

NSN 6645-01-666-9019 has 1 manufacturer part number on file: T50B5912 (Curtis Instruments, Inc. Dba Curtis Pmc Division).

Is NSN 6645-01-666-9019 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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