NSN 1680-01-655-6121 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-655-6121. Manufacturer of record part number: TPS8X144.
Also searched as1680-01-655-6121 ·
1680016556121 ·
NIIN 016556121 ·
01-655-6121 ·
FSC 1680 Miscellaneous Aircraft Accessories and Components · CAGE 24692 · TPS8X144 · P13648 · P13648
Nearby stock numbers← 1680-01-655-5924 Pin, Ars to a-C
·
1680-01-655-6141 Bracket, Eye, Nonrotating Shaft →
Features
Duct,air,sceet,2 in — FSC 1680
2 manufacturer part numbers on file
Manufacturer of record: Hartzell Propeller Llc
Identification
NSN: 1680-01-655-6121
NIIN: 016556121
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: TPS8X144
Manufacturer: Hartzell Propeller Llc
General Description
The Duct,air,sceet,2 in, cataloged under National Stock Number 1680-01-655-6121, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Hartzell Propeller Llc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
1680-01-655-6121
Primary Part Number
TPS8X144
Item Name
Duct,air,sceet,2 in
FSC / FSG
1680 / 16 — Miscellaneous Aircraft Accessories and Components
Other items in FSC 1680 — Miscellaneous Aircraft Accessories and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1680-00-001-1736
DUCT ASSEMBLY,BRANCHED
1680-00-003-3721
1680-00-003-3721 · Item name not on file
1680-00-009-3782
PISTON,EJECTOR,INNER
1680-00-009-6180
1680-00-009-6180 · Item name not on file
1680-00-475-0002
TIP,RUBBER CONTROL
1680-00-696-6170
ADAPTER,SCREW END A
1680-00-867-7158
COVER,GEARCASE
1680-00-885-0923
KNOB ASSY,LANDING G
Frequently Asked Questions
What is NSN 1680-01-655-6121?
NSN 1680-01-655-6121 is a Duct,air,sceet,2 in, manufactured by Hartzell Propeller Llc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
What part numbers are listed for NSN 1680-01-655-6121?
NSN 1680-01-655-6121 has 2 manufacturer part numbers on file: P13648 (General Atomics Aeronautical Systems, Inc.), TPS8X144 (Hartzell Propeller Llc).
What are the specifications of TPS8X144?
Key specifications for TPS8X144: Special Features: 2 IN ID,ID-80- TO 550 F IN; End Item Identification: MQ-9. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1680-01-655-6121 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.