Timer, Interval6645-01-352-2221

NSN 6645-01-352-2221 · NIIN 013522221 · Part number C300-906-125

Environmental Tectonics Corp · FSC 6645 — Time Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 33714

Government record, cited

NSN 6645-01-352-2221 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-352-2221. Manufacturer of record part number: C300-906-125.

Also searched as 6645-01-352-2221 · 6645013522221 · NIIN 013522221 · 01-352-2221 · FSC 6645 Time Measuring Instruments · CAGE 33714 · C300-906-125

Nearby stock numbers ← 6645-01-352-0886 Clock, Master Regulating · 6645-01-352-5426 Meter, Time Totalizing →

Features

Timer,interval — FSC 6645
1 manufacturer part number on file
Manufacturer of record: Environmental Tectonics Corp

Identification

NSN: 6645-01-352-2221
NIIN: 013522221
FSC: 6645 — Time Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: C300-906-125
Manufacturer: Environmental Tectonics Corp

General Description

The Timer,interval, cataloged under National Stock Number 6645-01-352-2221, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Environmental Tectonics Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	6645-01-352-2221
Primary Part Number	C300-906-125
Item Name	Timer,interval
FSC / FSG	6645 / 66 — Time Measuring Instruments
Manufacturer	Environmental Tectonics Corp
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
C300-906-125 PRIMARY	Environmental Tectonics Corp (USA)

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 6645-01-352-2221?

NSN 6645-01-352-2221 is a Timer,interval, manufactured by Environmental Tectonics Corp, classified under FSC 6645, Time Measuring Instruments. Status: active.

What part numbers are listed for NSN 6645-01-352-2221?

NSN 6645-01-352-2221 has 1 manufacturer part number on file: C300-906-125 (Environmental Tectonics Corp).

What are the specifications of C300-906-125?

Key specifications for C300-906-125: Special Features: ONE HOUR; CHROME PLATED PARTS; HIGH HEAT CONSTRUCTION; STEEL MAIN SPRING; DIAL PLATE; FOR USE ON STERILIZER MODEL M-138; NSN 6530-00-926-2151; Part Name Assigned by Controlling Agency: TIMER INTERVAL ONE HOUR USED ON 6530009262151 STERILIZER. 0 specifications are documented in the U.S. Government catalog.

Is NSN 6645-01-352-2221 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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