NSN 1660-01-696-6474 · NIIN 016966474 · Part number HM101997-C101-1-6
Testek Llc Dba Testek Solutions · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 06659
Government record, cited
NSN 1660-01-696-6474 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-696-6474. Manufacturer of record part number: HM101997-C101-1-6.
Also searched as1660-01-696-6474 ·
1660016966474 ·
NIIN 016966474 ·
01-696-6474 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 06659 · HM101997-C101-1-6
Nearby stock numbers← 1660-01-696-6438 Heat Exchanger, Fluid to Fluid, Ai
·
1660-01-696-6840 Heater, Aircraft →
Features
Cover,fluid Filter — FSC 1660
Outside Diameter: 5.25 INCHES NOMINAL IN
Hole Quantity Along Width: 2
Height: 1.672 INCHES NOMINAL IN
Material: STEEL
Hole Diameter: 0.65 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: Testek Llc Dba Testek Solutions
Identification
NSN: 1660-01-696-6474
NIIN: 016966474
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: HM101997-C101-1-6
Manufacturer: Testek Llc Dba Testek Solutions
General Description
The Cover,fluid Filter, cataloged under National Stock Number 1660-01-696-6474, 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 Testek Llc Dba Testek Solutions. Government technical data includes 5 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
1660-01-696-6474
Primary Part Number
HM101997-C101-1-6
Item Name
Cover,fluid Filter
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 1660-01-696-6474?
NSN 1660-01-696-6474 is a Cover,fluid Filter, manufactured by Testek Llc Dba Testek Solutions, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-696-6474?
NSN 1660-01-696-6474 has 1 manufacturer part number on file: HM101997-C101-1-6 (Testek Llc Dba Testek Solutions).
What are the specifications of HM101997-C101-1-6?
Key specifications for HM101997-C101-1-6: Outside Diameter: 5.25 INCHES NOMINAL IN; Hole Quantity Along Width: 2; Height: 1.672 INCHES NOMINAL IN; Special Features: HYDRAULIC SUPPLY CART,MEAK-29, NHA:102167-C4. BOLT HOLE THREADS:20 PER INCH, UNC. 5 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-696-6474 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.