PartsTable TECHNICAL DATA SHEET

NSN 1660-01-653-4232Government record, cited

Regulator, Oxygen, Demand1660-01-653-4232

NSN 1660-01-653-4232 · NIIN 016534232

FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories

Government record, cited

Also searched as 1660-01-653-4232 · 1660016534232 · NIIN 016534232 · 01-653-4232 · FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment

Nearby stock numbers ← 1660-01-653-3694 Duct Assembly, Air Conditioning-H · 1660-01-653-4504 Manifold, Oxygen, Aircraft →

Features

Regulator,oxygen,demand — FSC 1660

Identification

NSN: 1660-01-653-4232
NIIN: 016534232
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories

General Description

The Regulator,oxygen,demand, cataloged under National Stock Number 1660-01-653-4232, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Regulator,oxygen,demand
FSC / FSG	1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16)

Technical Specifications

Parameter	Value
NSN	1660-01-653-4232
Item Name	Regulator,oxygen,demand
FSC / FSG	1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
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

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

Reference documents

Reference	Meaning
3261006-0101	3/2 Design control — primary reference U.S. Government activity

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 1660-01-653-4232?

NSN 1660-01-653-4232 is a Regulator,oxygen,demand, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.

Is NSN 1660-01-653-4232 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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