FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories
Government record, cited
Also searched as1660-01-641-3746 ·
1660016413746 ·
NIIN 016413746 ·
01-641-3746 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Supplementary Features: PART OF THE INLET FILTER ASSY,CONCENTRATOR,OXYGEN MOLECULAR SIEVE(GGU-12/A)
Identification
NSN: 1660-01-641-3746
NIIN: 016413746
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
General Description
The Filter Body,fluid, cataloged under National Stock Number 1660-01-641-3746, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
1660-01-641-3746
Item Name
Filter Body,fluid
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Status
ACTIVE
Supplementary Features
PART OF THE INLET FILTER ASSY,CONCENTRATOR,OXYGEN MOLECULAR SIEVE(GGU-12/A)
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
1647711-1
3/2Design control — primary reference
U.S. Government activity
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.
1660-00-006-4472
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 1660-01-641-3746?
NSN 1660-01-641-3746 is a Filter Body,fluid, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What are the specifications of 1660-01-641-3746?
Key specifications for 1660-01-641-3746: Supplementary Features: PART OF THE INLET FILTER ASSY,CONCENTRATOR,OXYGEN MOLECULAR SIEVE(GGU-12/A); Part Name Assigned by Controlling Agency: SLEEVE,FILTER,HSG. 1 specification is documented in the U.S. Government catalog.
Is NSN 1660-01-641-3746 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.