NSN 1660-01-377-0502 · NIIN 013770502 · Part number DAA3287A173-007
Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 1W025
Government record, cited
NSN 1660-01-377-0502 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-377-0502. Manufacturer of record part number: DAA3287A173-007.
Also searched as1660-01-377-0502 ·
1660013770502 ·
NIIN 013770502 ·
01-377-0502 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 1W025 · DAA3287A173-007
Nearby stock numbers← 1660-01-377-0357 Duct Assembly, Air Conditioning-H
·
1660-01-377-0505 Duct Assembly, Air Conditioning-H →
Features
Duct Assembly,air Conditioning-H — FSC 1660
Aircraft Location: RADAR BAY
Side for Which Designed: RIGHT SIDE
Aircraft Mission Design Series: B-2 BOMBER
1 manufacturer part number on file
Manufacturer of record: Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems
Identification
NSN: 1660-01-377-0502
NIIN: 013770502
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: DAA3287A173-007
Manufacturer: Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems
General Description
The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-377-0502, 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 Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. Government technical data includes 3 specifications, 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
1660-01-377-0502
Primary Part Number
DAA3287A173-007
Item Name
Duct Assembly,air Conditioning-H
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer
Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems
Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (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 1660-01-377-0502?
NSN 1660-01-377-0502 is a Duct Assembly,air Conditioning-H, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-377-0502?
NSN 1660-01-377-0502 has 1 manufacturer part number on file: DAA3287A173-007 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
What are the specifications of DAA3287A173-007?
Key specifications for DAA3287A173-007: Aircraft Location: RADAR BAY; End Item Identification: AIRCRAFT B-2; Side for Which Designed: RIGHT SIDE; Aircraft Mission Design Series: B-2 BOMBER. 3 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-377-0502 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 1660-01-377-0502?
NSN 1660-01-377-0502 has DEMIL Code D. 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.