PartsTable TECHNICAL DATA SHEET

NSN 1660-01-044-1709Government record, cited

Diaphragm Assembly, Control, Regul1660-01-044-1709

NSN 1660-01-044-1709 · NIIN 010441709 · Part number 146199-2

Honeywell International Inc. Div Aerospace - Torrance · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 70210

Government record, cited

NSN 1660-01-044-1709 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-044-1709. Manufacturer of record part number: 146199-2.

Also searched as 1660-01-044-1709 · 1660010441709 · NIIN 010441709 · 01-044-1709 · FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 70210 · 146199-2

Nearby stock numbers ← 1660-01-044-1708 Ring, Control Rate, Regulator · 1660-01-044-1750 Cable Assembly, Reservoir →

Features

Diaphragm Assembly,control,regul — FSC 1660
General Characteristics Item Description: RETAINER 2 P/N 14624,RETAINER 1 P/N 146198-1,RIVET 3 P/N MS20470A3-4,DIAPHRAGM 1 P/N 146197-2
2 manufacturer part numbers on file
Manufacturer of record: Honeywell International Inc. Div Aerospace - Torrance

Identification

NSN: 1660-01-044-1709
NIIN: 010441709
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 146199-2
Manufacturer: Honeywell International Inc. Div Aerospace - Torrance

General Description

The Diaphragm Assembly,control,regul, cataloged under National Stock Number 1660-01-044-1709, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	1660-01-044-1709
Primary Part Number	146199-2
Item Name	Diaphragm Assembly,control,regul
FSC / FSG	1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer	Honeywell International Inc. Div Aerospace - Torrance
Status	ACTIVE
General Characteristics Item Description	RETAINER 2 P/N 14624,RETAINER 1 P/N 146198-1,RIVET 3 P/N MS20470A3-4,DIAPHRAGM 1 P/N 146197-2

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
146199-2	Honeywell International, Inc Div Aerospace-Tucson (USA)
146199-2 PRIMARY	Honeywell International Inc. Div Aerospace - Torrance (USA)

No interchangeability data on file.

Other items in FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment

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

1660-00-001-1693

DUCT ASSEMBLY,AIR CONDITIONING-H

1660-00-001-1754

BAFFLE,AIR

1660-00-001-2491

CAGE,BYPASS VALVE

1660-00-001-2493

1660-00-001-2493 · Item name not on file

1660-00-001-2496

CONTROL BOX,ELECTRICAL-ELECTRONI

1660-00-001-2497

1660-00-001-2497 · Item name not on file

1660-00-001-4130

1660-00-001-4130 · Item name not on file

1660-00-001-4479

CONTROLLER,AIR PRESSURE,AIRCRAFT

Frequently Asked Questions

What is NSN 1660-01-044-1709?

NSN 1660-01-044-1709 is a Diaphragm Assembly,control,regul, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.

What part numbers are listed for NSN 1660-01-044-1709?

NSN 1660-01-044-1709 has 2 manufacturer part numbers on file: 146199-2 (Honeywell International, Inc Div Aerospace-Tucson), 146199-2 (Honeywell International Inc. Div Aerospace - Torrance).

What are the specifications of 146199-2?

Key specifications for 146199-2: General Characteristics Item Description: RETAINER 2 P/N 14624,RETAINER 1 P/N 146198-1,RIVET 3 P/N MS20470A3-4,DIAPHRAGM 1 P/N 146197-2; End Item Identification: ACFT E3A P/O 1660010061601. 1 specification is documented in the U.S. Government catalog.

Is NSN 1660-01-044-1709 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.

What is the DEMIL code for NSN 1660-01-044-1709?

NSN 1660-01-044-1709 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

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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