NSN 1660-01-685-5144 · NIIN 016855144 · Part number 99631-000
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 77294
Government record, cited
NSN 1660-01-685-5144 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-685-5144. Manufacturer of record part number: 99631-000.
Also searched as1660-01-685-5144 ·
1660016855144 ·
NIIN 016855144 ·
01-685-5144 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 77294 · 99631-000
Nearby stock numbers← 1660-01-685-5139 Heat Exchanger, Air to Air, Aircra
·
1660-01-685-7328 Bellows, Pressure →
Features
Filter Element,air Conditioning — FSC 1660
Body Overall Length: 3.69 INCHES NOMINAL IN
Body Height: 0.88 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
Identification
NSN: 1660-01-685-5144
NIIN: 016855144
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 99631-000
Manufacturer: Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
General Description
The Filter Element,air Conditioning, cataloged under National Stock Number 1660-01-685-5144, 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 Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company. Government technical data includes 2 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
1660-01-685-5144
Primary Part Number
99631-000
Item Name
Filter Element,air Conditioning
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (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 1660-01-685-5144?
NSN 1660-01-685-5144 is a Filter Element,air Conditioning, manufactured by Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-685-5144?
NSN 1660-01-685-5144 has 1 manufacturer part number on file: 99631-000 (Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company).
What are the specifications of 99631-000?
Key specifications for 99631-000: Body Overall Length: 3.69 INCHES NOMINAL IN; Body Height: 0.88 INCHES NOMINAL IN; Overall Width: 6.00 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: FILTER. 2 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-685-5144 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.