Filter Element, Air Conditioning1660-01-662-3904

NSN 1660-01-662-3904 · NIIN 016623904 · Part number 1326-1137

Woodward, Inc. · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 31361

Government record, cited

NSN 1660-01-662-3904 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-662-3904. Manufacturer of record part number: 1326-1137.

Also searched as 1660-01-662-3904 · 1660016623904 · NIIN 016623904 · 01-662-3904 · FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 31361 · 1326-1137

Nearby stock numbers ← 1660-01-662-3235 Filter Element, Air Conditioning · 1660-01-662-4201 Duct Assembly, Air Conditioning-H →

Features

Filter Element,air Conditioning — FSC 1660
1 manufacturer part number on file
Manufacturer of record: Woodward, Inc.

Identification

NSN: 1660-01-662-3904
NIIN: 016623904
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 1326-1137
Manufacturer: Woodward, Inc.

General Description

The Filter Element,air Conditioning, cataloged under National Stock Number 1660-01-662-3904, 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 Woodward, Inc.. 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	1660-01-662-3904
Primary Part Number	1326-1137
Item Name	Filter Element,air Conditioning
FSC / FSG	1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer	Woodward, 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)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
1326-1137 PRIMARY	Woodward, Inc. (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 1660-01-662-3904?

NSN 1660-01-662-3904 is a Filter Element,air Conditioning, manufactured by Woodward, Inc., classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.

What part numbers are listed for NSN 1660-01-662-3904?

NSN 1660-01-662-3904 has 1 manufacturer part number on file: 1326-1137 (Woodward, Inc.).

What are the specifications of 1326-1137?

Key specifications for 1326-1137: Special Features: FILTER; Part Name Assigned by Controlling Agency: FILTER ELEMENT,AIR CONDITIONING. 0 specifications are documented in the U.S. Government catalog.

Is NSN 1660-01-662-3904 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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