Meter, Time Totalizing6645-01-137-4237

NSN 6645-01-137-4237 · NIIN 011374237 · Part number 37661219-922

Raytheon Co · FSC 6645 — Time Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 08783

Government record, cited

NSN 6645-01-137-4237 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-137-4237. Manufacturer of record part number: 37661219-922.

Also searched as 6645-01-137-4237 · 6645011374237 · NIIN 011374237 · 01-137-4237 · FSC 6645 Time Measuring Instruments · CAGE 08783 · 37661219-922

Nearby stock numbers ← 6645-01-137-2922 Generator, Time Code · 6645-01-137-4310 Timer, Interval →

Features

Meter,time Totalizing — FSC 6645
Indicator Type: DRUM REGISTER
Movement Type: ELECTRICAL
Operating Frequency: 60.0 HERTZ NOMINAL
Measurement Unit: HOURS
1 manufacturer part number on file
Manufacturer of record: Raytheon Co

Identification

NSN: 6645-01-137-4237
NIIN: 011374237
FSC: 6645 — Time Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 37661219-922
Manufacturer: Raytheon Co

General Description

The Meter,time Totalizing, cataloged under National Stock Number 6645-01-137-4237, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Raytheon Co. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 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	6645-01-137-4237
Primary Part Number	37661219-922
Item Name	Meter,time Totalizing
FSC / FSG	6645 / 66 — Time Measuring Instruments
Manufacturer	Raytheon Co
Status	ACTIVE
Indicator Type	DRUM REGISTER
Movement Type	ELECTRICAL
Operating Frequency	60.0 HERTZ NOMINAL
Measurement Unit	HOURS

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
37661219-922 PRIMARY	Raytheon Co (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 6645-01-137-4237?

NSN 6645-01-137-4237 is a Meter,time Totalizing, manufactured by Raytheon Co, classified under FSC 6645, Time Measuring Instruments. Status: active.

What part numbers are listed for NSN 6645-01-137-4237?

NSN 6645-01-137-4237 has 1 manufacturer part number on file: 37661219-922 (Raytheon Co).

What are the specifications of 37661219-922?

Key specifications for 37661219-922: Indicator Type: DRUM REGISTER; Movement Type: ELECTRICAL; Operating Frequency: 60.0 HERTZ NOMINAL; Measurement Unit: HOURS. 4 specifications are documented in the U.S. Government catalog.

Is NSN 6645-01-137-4237 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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