NSN 1720-01-686-7090 · NIIN 016867090 · Part number 3890AS004759-01
General Atomics Dba General Atomics Corp · FSC 1720 — Aircraft Launching Equipment · FSG 17 — Aircraft Launch, Landing, and Ground Handling Equipment · CAGE 4V360
Government record, cited
NSN 1720-01-686-7090 — this item is cataloged by the U.S. Government under National Stock Number 1720-01-686-7090. Manufacturer of record part number: 3890AS004759-01.
Nearby stock numbers← 1720-01-686-7089 Damper Assembly, Air
·
1720-01-686-8702 Valve Unit →
Features
Piston Assembly,air — FSC 1720
2 manufacturer part numbers on file
Manufacturer of record: General Atomics Dba General Atomics Corp
Identification
NSN: 1720-01-686-7090
NIIN: 016867090
FSC: 1720 — Aircraft Launching Equipment
FSG: 17 — Aircraft Launch, Landing, and Ground Handling Equipment
Primary part number: 3890AS004759-01
Manufacturer: General Atomics Dba General Atomics Corp
General Description
The Piston Assembly,air, cataloged under National Stock Number 1720-01-686-7090, 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 General Atomics Dba General Atomics Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
No interchangeability data on file.
Other items in FSC 1720 — Aircraft Launching Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1720-00-001-4571
CAM,CUTOFF
1720-00-001-4572
CAM,VALVE
1720-00-001-4573
CROSSOVER BLOCK
1720-00-003-0437
1720-00-003-0437 · Item name not on file
1720-00-003-0438
1720-00-003-0438 · Item name not on file
1720-00-003-0439
1720-00-003-0439 · Item name not on file
1720-00-003-1503
NEEDLE-CUSHION
1720-00-003-6410
1720-00-003-6410 · Item name not on file
Frequently Asked Questions
What is NSN 1720-01-686-7090?
NSN 1720-01-686-7090 is a Piston Assembly,air, manufactured by General Atomics Dba General Atomics Corp, classified under FSC 1720, Aircraft Launching Equipment. Status: active.
What part numbers are listed for NSN 1720-01-686-7090?
NSN 1720-01-686-7090 has 2 manufacturer part numbers on file: 3890AS004759-01 (General Atomics Dba General Atomics Corp), 3890AS004759-01 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
What are the specifications of 3890AS004759-01?
Key specifications for 3890AS004759-01: Part Name Assigned by Controlling Agency: PISTON ASSEMBLY,AIR. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1720-01-686-7090 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 1720-01-686-7090?
NSN 1720-01-686-7090 has DEMIL Code Q. 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.