Piston, Diaphragm1660-01-034-4416

NSN 1660-01-034-4416 · NIIN 010344416 · Part number 740467-2

Hamilton Sundstrand Corporation Dba Collins Aerospace · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 73030

Government record, cited

NSN 1660-01-034-4416 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-034-4416. Manufacturer of record part number: 740467-2.

Also searched as 1660-01-034-4416 · 1660010344416 · NIIN 010344416 · 01-034-4416 · FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 73030 · 740467-2

Nearby stock numbers ← 1660-01-034-4410 Shroud, Fan · 1660-01-034-4577 Spacer Assembly Support Parachut →

Features

Piston,diaphragm — FSC 1660
General Characteristics Item Description: ALUMINUM ANODIZE PER MIL-A-8625 TYPE I
1 manufacturer part number on file
Manufacturer of record: Hamilton Sundstrand Corporation Dba Collins Aerospace

Identification

NSN: 1660-01-034-4416
NIIN: 010344416
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 740467-2
Manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace

General Description

The Piston,diaphragm, cataloged under National Stock Number 1660-01-034-4416, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 1 specification, 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	1660-01-034-4416
Primary Part Number	740467-2
Item Name	Piston,diaphragm
FSC / FSG	1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer	Hamilton Sundstrand Corporation Dba Collins Aerospace
Status	ACTIVE
General Characteristics Item Description	ALUMINUM ANODIZE PER MIL-A-8625 TYPE I

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
740467-2 PRIMARY	Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)

Frequently Asked Questions

What is NSN 1660-01-034-4416?

NSN 1660-01-034-4416 is a Piston,diaphragm, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.

What part numbers are listed for NSN 1660-01-034-4416?

NSN 1660-01-034-4416 has 1 manufacturer part number on file: 740467-2 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What are the specifications of 740467-2?

Key specifications for 740467-2: General Characteristics Item Description: ALUMINUM ANODIZE PER MIL-A-8625 TYPE I; End Item Identification: E3A ACFT. 1 specification is documented in the U.S. Government catalog.

Is NSN 1660-01-034-4416 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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