NSN 1660-01-733-1899 · NIIN 017331899 · Part number LB033052-104
Lockheed Martin Corporation Div Mfc · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 622B7
Government record, cited
NSN 1660-01-733-1899 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-733-1899. Manufacturer of record part number: LB033052-104.
Also searched as1660-01-733-1899 ·
1660017331899 ·
NIIN 017331899 ·
01-733-1899 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 622B7 · LB033052-104
Nearby stock numbers← 1660-01-733-1892 Duct Assembly, Air Conditioning-H
·
1660-01-733-1956 Regulator, Air Pressure, Aircraft →
Features
Duct Assembly,air Conditioning-H — FSC 1660
1 manufacturer part number on file
Manufacturer of record: Lockheed Martin Corporation Div Mfc
Identification
NSN: 1660-01-733-1899
NIIN: 017331899
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: LB033052-104
Manufacturer: Lockheed Martin Corporation Div Mfc
General Description
The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-733-1899, 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 Lockheed Martin Corporation Div Mfc. 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
1660-01-733-1899
Primary Part Number
LB033052-104
Item Name
Duct Assembly,air Conditioning-H
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
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.
1660-00-006-4472
FLANGE,VALVE BODY
1660-00-009-5646
ADAPTER ASSEMBLY,BELLOWS
1660-00-019-8389
1660-00-019-8389 · Item name not on file
1660-00-019-8399
1660-00-019-8399 · Item name not on file
1660-00-031-5285
1660-00-031-5285 · Item name not on file
1660-00-302-4390
PISTON,REGULATING V
1660-00-441-0575
PISTON
1660-01-601-0729
ETHERNET SWITCH
Frequently Asked Questions
What is NSN 1660-01-733-1899?
NSN 1660-01-733-1899 is a Duct Assembly,air Conditioning-H, manufactured by Lockheed Martin Corporation Div Mfc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-733-1899?
NSN 1660-01-733-1899 has 1 manufacturer part number on file: LB033052-104 (Lockheed Martin Corporation Div Mfc).
What are the specifications of LB033052-104?
Key specifications for LB033052-104: Special Features: ROTATING ASSEMBLY FOR DIRECTING HEAT FLOW; Part Name Assigned by Controlling Agency: VENT ASSEMBLY,HEATER DUCT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-733-1899 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.