NSN 1660-01-644-7698 · NIIN 016447698 · Part number QF-40-01
Qualtek Electronics Corp Fan-S Div · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 0ACZ1
Government record, cited
NSN 1660-01-644-7698 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-644-7698. Manufacturer of record part number: QF-40-01.
Also searched as1660-01-644-7698 ·
1660016447698 ·
NIIN 016447698 ·
01-644-7698 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 0ACZ1 · QF-40-01
Nearby stock numbers← 1660-01-644-7602 Duct Assembly, Air Conditioning-H
·
1660-01-644-7718 Filter Element, Air Conditioning →
Features
Filter Element,air Conditioning — FSC 1660
Body Overall Length: 1.575 INCHES NOMINAL IN
Body Thickness: 0.197 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: Qualtek Electronics Corp Fan-S Div
Identification
NSN: 1660-01-644-7698
NIIN: 016447698
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: QF-40-01
Manufacturer: Qualtek Electronics Corp Fan-S Div
General Description
The Filter Element,air Conditioning, cataloged under National Stock Number 1660-01-644-7698, 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 Qualtek Electronics Corp Fan-S Div. 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
1660-01-644-7698
Primary Part Number
QF-40-01
Item Name
Filter Element,air Conditioning
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 1660-01-644-7698?
NSN 1660-01-644-7698 is a Filter Element,air Conditioning, manufactured by Qualtek Electronics Corp Fan-S Div, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-644-7698?
NSN 1660-01-644-7698 has 1 manufacturer part number on file: QF-40-01 (Qualtek Electronics Corp Fan-S Div).
What are the specifications of QF-40-01?
Key specifications for QF-40-01: Body Overall Length: 1.575 INCHES NOMINAL IN; Overall Width: 1.575 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: FOAM DUST FILTER; Body Thickness: 0.197 INCHES NOMINAL IN. 2 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-644-7698 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.