NSN 1720-00-939-0107 · NIIN 009390107 · Part number 509303-1
York Precision Machining and Hydraulics, Llc · FSC 1720 — Aircraft Launching Equipment · FSG 17 — Aircraft Launch, Landing, and Ground Handling Equipment · CAGE 81A16
Government record, cited
NSN 1720-00-939-0107 — this item is cataloged by the U.S. Government under National Stock Number 1720-00-939-0107. Manufacturer of record part number: 509303-1.
Nearby stock numbers← 1720-00-939-0106 Cylinder Head, Engin
·
1720-00-939-0110 →
Features
Drum,rotary Engine — FSC 1720
2 manufacturer part numbers on file
Manufacturer of record: York Precision Machining and Hydraulics, Llc
Identification
NSN: 1720-00-939-0107
NIIN: 009390107
FSC: 1720 — Aircraft Launching Equipment
FSG: 17 — Aircraft Launch, Landing, and Ground Handling Equipment
Primary part number: 509303-1
Manufacturer: York Precision Machining and Hydraulics, Llc
General Description
The Drum,rotary Engine, cataloged under National Stock Number 1720-00-939-0107, is classified within Federal Supply Class 1720 (Aircraft Launching Equipment) of the Aircraft Launch, Landing, and Ground Handling Equipment group. The manufacturer of record is York Precision Machining and Hydraulics, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Catalog Facts
Item Name
Drum,rotary Engine
FSC / FSG
1720 — Aircraft Launching Equipment (FSG 17)
Manufacturers
York Precision Machining and Hydraulics, Llc (CAGE 81A16); Orlotronics Corp (CAGE 54267)
Other items in FSC 1720 — Aircraft Launching Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1720-00-055-8017
1720-00-055-8017 · Item name not on file
1720-00-083-1513
TRACK SECTION ASSEM
1720-00-432-3430
VALVE ASSY
1720-00-434-5231
1720-00-434-5231 · Item name not on file
1720-00-468-1056
1720-00-468-1056 · Item name not on file
1720-00-469-3397
1720-00-469-3397 · Item name not on file
1720-00-470-5274
COVER,CYLINDER
1720-00-480-8197
RETAINER BLOCK
Frequently Asked Questions
What is NSN 1720-00-939-0107?
NSN 1720-00-939-0107 is a Drum,rotary Engine, manufactured by York Precision Machining and Hydraulics, Llc, classified under FSC 1720, Aircraft Launching Equipment. Status: active.
What part numbers are listed for NSN 1720-00-939-0107?
NSN 1720-00-939-0107 has 2 manufacturer part numbers on file: 509303-1 (York Precision Machining and Hydraulics, Llc), 509303-1 (Orlotronics Corp).
Is NSN 1720-00-939-0107 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.
What is the DEMIL code for NSN 1720-00-939-0107?
NSN 1720-00-939-0107 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.