Speedometer6680-01-550-5574

NSN 6680-01-550-5574 · NIIN 015505574 · Part number 191-0538

Caterpillar Inc Div Caterpillar Defense · FSC 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 11083

Government record, cited

NSN 6680-01-550-5574 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-550-5574. Manufacturer of record part number: 191-0538.

Also searched as 6680-01-550-5574 · 6680015505574 · NIIN 015505574 · 01-550-5574 · FSC 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · CAGE 11083 · 191-0538

Nearby stock numbers ← 6680-01-550-5102 Meter, Fluid Flow Indicating, Ultr · 6680-01-550-5762 Transmitter, Liquid Quantity →

Features

Speedometer — FSC 6680
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 6680-01-550-5574
NIIN: 015505574
FSC: 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 191-0538
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Speedometer, cataloged under National Stock Number 6680-01-550-5574, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	6680-01-550-5574
Primary Part Number	191-0538
Item Name	Speedometer
FSC / FSG	6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
Manufacturer	Caterpillar Inc Div Caterpillar Defense
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
191-0538 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)

Reference documents

Reference	Meaning
191-0538	5/9 Secondary reference Caterpillar of Australia Pty Ltd

Frequently Asked Questions

What is NSN 6680-01-550-5574?

NSN 6680-01-550-5574 is a Speedometer, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.

What part numbers are listed for NSN 6680-01-550-5574?

NSN 6680-01-550-5574 has 1 manufacturer part number on file: 191-0538 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 191-0538?

Key specifications for 191-0538: Special Features: PART NAME ASSIGNED BY CONTROLLINGAGENCY; INDICATOR AS - SPEED (RANGE). 0 specifications are documented in the U.S. Government catalog.

Is NSN 6680-01-550-5574 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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