NSN 1680-01-733-4272 · NIIN 017334272 · Part number KHC-3559
Tronair, Inc. Div Tronair · FSC 1680 — Miscellaneous Aircraft Accessories and Components · FSG 16 — Aircraft Components and Accessories · CAGE 59603
Government record, cited
NSN 1680-01-733-4272 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-733-4272. Manufacturer of record part number: KHC-3559.
Also searched as1680-01-733-4272 ·
1680017334272 ·
NIIN 017334272 ·
01-733-4272 ·
FSC 1680 Miscellaneous Aircraft Accessories and Components · CAGE 59603 · KHC-3559
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: KHC-3559
Manufacturer: Tronair, Inc. Div Tronair
General Description
The Housing,coupling, cataloged under National Stock Number 1680-01-733-4272, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Tronair, Inc. Div Tronair. Government technical data includes 1 specification, 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
1680-01-733-4272
Primary Part Number
KHC-3559
Item Name
Housing,coupling
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.
1680-00-000-0144
CUSHION,SEAT BACK,AIRCRAFT
1680-00-001-1401
1680-00-001-1401 · Item name not on file
1680-00-001-1402
1680-00-001-1402 · Item name not on file
1680-00-001-1403
1680-00-001-1403 · Item name not on file
1680-00-001-1404
COVER,INERTIA REEL
1680-00-001-1730
SHIELD,THERMAL RADI
1680-00-001-1731
LEVER,REMOTE CONTROL
1680-00-001-1736
DUCT ASSEMBLY,BRANCHED
Frequently Asked Questions
What is NSN 1680-01-733-4272?
NSN 1680-01-733-4272 is a Housing,coupling, manufactured by Tronair, Inc. Div Tronair, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
What part numbers are listed for NSN 1680-01-733-4272?
NSN 1680-01-733-4272 has 1 manufacturer part number on file: KHC-3559 (Tronair, Inc. Div Tronair).
What are the specifications of KHC-3559?
Key specifications for KHC-3559: Document Source: 59603; Special Features: KIT INCLUDES DUST PLUGS(2), COUPLINGS(2),EXPANDERS(3),TIE WRAPS , COUPLINGS AND DUST PLUGS ARE USED WITH PHOSPHATE ESTER FLUIDS ONLY.; Part Name Assigned by Controlling Agency: QUICK DISCONNECT KIT. 1 specification is documented in the U.S. Government catalog.
Is NSN 1680-01-733-4272 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.