PartsTable TECHNICAL DATA SHEET

NSN 6620-01-307-6740Government record, cited

Indicator, Pressure6620-01-307-6740

NSN 6620-01-307-6740 · NIIN 013076740 · Part number C668509-0101

Textron Aviation Inc · FSC 6620 — Engine Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 7EK50

Government record, cited

NSN 6620-01-307-6740 — this item is cataloged by the U.S. Government under National Stock Number 6620-01-307-6740. Manufacturer of record part number: C668509-0101.

Also searched as 6620-01-307-6740 · 6620013076740 · NIIN 013076740 · 01-307-6740 · FSC 6620 Engine Instruments · CAGE 7EK50 · C668509-0101 · C668509-0101-61225 · C668509-0101-61225

Nearby stock numbers ← 6620-01-307-4038 · 6620-01-307-8686 →

Features

Indicator,pressure — FSC 6620
2 manufacturer part numbers on file
Manufacturer of record: Textron Aviation Inc

Identification

NSN: 6620-01-307-6740
NIIN: 013076740
FSC: 6620 — Engine Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: C668509-0101
Manufacturer: Textron Aviation Inc

General Description

The Indicator,pressure, cataloged under National Stock Number 6620-01-307-6740, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Textron Aviation Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Indicator,pressure
FSC / FSG	6620 — Engine Instruments (FSG 66)
Manufacturers	Textron Aviation Inc (CAGE 7EK50)

Technical Specifications

Parameter	Value
NSN	6620-01-307-6740
Primary Part Number	C668509-0101
Item Name	Indicator,pressure
FSC / FSG	6620 / 66 — Engine Instruments
Manufacturer	Textron Aviation Inc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
C668509-0101-61225	Textron Aviation Inc (USA)
C668509-0101 PRIMARY	Textron Aviation Inc (USA)

Reference documents

Reference	Meaning
C668509-0101-61225	5/9 Secondary reference Cessna Aircraft Company Dba Textron Aviation
C668509-0101	3/9 Design control — primary reference Cessna Aircraft Company Dba Textron Aviation

No interchangeability data on file.

Other items in FSC 6620 — Engine Instruments

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

6620-00-000-0124

6620-00-000-0124 · Item name not on file

6620-00-000-0548

6620-00-000-0548 · Item name not on file

6620-00-001-1398

STARTER AND SHAFT ASSEMBLY

6620-00-001-4552

6620-00-001-4552 · Item name not on file

6620-00-001-9331

6620-00-001-9331 · Item name not on file

6620-00-001-9332

6620-00-001-9332 · Item name not on file

6620-00-001-9333

6620-00-001-9333 · Item name not on file

6620-00-001-9334

6620-00-001-9334 · Item name not on file

Frequently Asked Questions

What is NSN 6620-01-307-6740?

NSN 6620-01-307-6740 is a Indicator,pressure, manufactured by Textron Aviation Inc, classified under FSC 6620, Engine Instruments. Status: active.

What part numbers are listed for NSN 6620-01-307-6740?

NSN 6620-01-307-6740 has 2 manufacturer part numbers on file: C668509-0101-61225 (Textron Aviation Inc), C668509-0101 (Textron Aviation Inc).

Is NSN 6620-01-307-6740 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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