NSN 1660-01-271-4103 · NIIN 012714103 · Part number LD364-0003-0031
The Boeing Company Div Legacy Am&m · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 43999
Government record, cited
NSN 1660-01-271-4103 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-271-4103. Manufacturer of record part number: LD364-0003-0031.
Also searched as1660-01-271-4103 ·
1660012714103 ·
NIIN 012714103 ·
01-271-4103 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 43999 · LD364-0003-0031
Nearby stock numbers← 1660-01-271-3469 Duct Assembly, Air Conditioning-H
·
1660-01-271-4458 Duct Assembly, Air Conditioning-H →
Features
Diffuser,air,aircraft Heating an — FSC 1660
General Characteristics Item Description: PHENOLIC; 3.000 IN. NOMINAL OVERALL LENGTH; 3.000 IN. NOM. OVERALL WIDTH; 2.000 IN. NOM. OVERALL IN
1 manufacturer part number on file
Manufacturer of record: The Boeing Company Div Legacy Am&m
Identification
NSN: 1660-01-271-4103
NIIN: 012714103
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: LD364-0003-0031
Manufacturer: The Boeing Company Div Legacy Am&m
General Description
The Diffuser,air,aircraft Heating an, cataloged under National Stock Number 1660-01-271-4103, 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 The Boeing Company Div Legacy Am&m. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1660-01-271-4103
Primary Part Number
LD364-0003-0031
Item Name
Diffuser,air,aircraft Heating an
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer
The Boeing Company Div Legacy Am&m
Status
ACTIVE
General Characteristics Item Description
PHENOLIC; 3.000 IN. NOMINAL OVERALL LENGTH; 3.000 IN. NOM. OVERALL WIDTH; 2.000 IN. NOM. OVERALL IN
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 1660-01-271-4103?
NSN 1660-01-271-4103 is a Diffuser,air,aircraft Heating an, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-271-4103?
NSN 1660-01-271-4103 has 1 manufacturer part number on file: LD364-0003-0031 (The Boeing Company Div Legacy Am&m).
What are the specifications of LD364-0003-0031?
Key specifications for LD364-0003-0031: General Characteristics Item Description: PHENOLIC; 3.000 IN. NOMINAL OVERALL LENGTH; 3.000 IN. NOM. OVERALL WIDTH; 2.000 IN. NOM. OVERALL IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 1660-01-271-4103 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.