Switch, Liquid Level6680-01-440-5658

NSN 6680-01-440-5658 · NIIN 014405658

FSC 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment

Government record, cited

Also searched as 6680-01-440-5658 · 6680014405658 · NIIN 014405658 · 01-440-5658 · FSC 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · 518756PC18 · 518756PC18 · 518756PC18 · 518756PC18

Nearby stock numbers ← 6680-01-440-5656 Wheel Drive Assembly · 6680-01-440-5665 Parts Kit, Flow Rate Meter →

Features

Switch,liquid Level — FSC 6680

Identification

NSN: 6680-01-440-5658
NIIN: 014405658
FSC: 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment

General Description

The Switch,liquid Level, cataloged under National Stock Number 6680-01-440-5658, 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of the Instruments and Laboratory Equipment group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	6680-01-440-5658
Item Name	Switch,liquid Level
FSC / FSG	6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
518756PC18	5/9 Secondary reference Kamewa
518756PC18	5/9 Secondary reference Fuji Trading America Inc
518756PC18	3/9 Design control — primary reference Fuji Trading (america) Inc.
518756PC18	5/9 Secondary reference Rolls-Royce Ab

No interchangeability data on file.

Other items in FSC 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

6680-00-000-0189

TRANSMITTER,LIQUID QUANTITY

6680-00-001-1478

GAGE ROD-CAP,LIQUID LEVEL

6680-00-001-1502

6680-00-001-1502 · Item name not on file

6680-00-001-1506

6680-00-001-1506 · Item name not on file

6680-00-001-1511

GAGE ROD,LIQUID LEVEL

6680-00-001-3672

COUNTER,ROTATING

6680-00-001-3675

INDICATOR,SIGHT,LIQUID

6680-00-001-4170

COUNTER,ROTATING

Frequently Asked Questions

What is NSN 6680-01-440-5658?

NSN 6680-01-440-5658 is a Switch,liquid Level, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.

What are the specifications of 6680-01-440-5658?

Key specifications for 6680-01-440-5658: End Item Identification: HYDRAULIC SYSTEM ;(WS)STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 0 specifications are documented in the U.S. Government catalog.

Is NSN 6680-01-440-5658 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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