NSN 1650-01-469-8476 · NIIN 014698476 · Part number P4521-N21
Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit · FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components · FSG 16 — Aircraft Components and Accessories · CAGE 11362
Government record, cited
NSN 1650-01-469-8476 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-469-8476. Manufacturer of record part number: P4521-N21.
Also searched as1650-01-469-8476 ·
1650014698476 ·
NIIN 014698476 ·
01-469-8476 ·
FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components · CAGE 11362 · P4521-N21
Manufacturer of record: Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit
Identification
NSN: 1650-01-469-8476
NIIN: 014698476
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: P4521-N21
Manufacturer: Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit
General Description
The Cap Asembly,hydraul, cataloged under National Stock Number 1650-01-469-8476, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Cap Asembly,hydraul
FSC / FSG
1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components (FSG 16)
Manufacturers
Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit (CAGE 11362)
Technical Specifications
Parameter
Value
NSN
1650-01-469-8476
Primary Part Number
P4521-N21
Item Name
Cap Asembly,hydraul
FSC / FSG
1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Manufacturer
Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit
Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit (USA)
No interchangeability data on file.
Other items in FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1650-00-011-0886
1650-00-011-0886 · Item name not on file
1650-00-013-3761
SLIDE,SELECTOR
1650-00-059-7742
PARTS KIT,SEAL REPLACEMENT,MECHA
1650-00-101-7836
CLIP,RETURN PLATE
1650-00-138-2779
FILTERING DISK,FLUID
1650-00-162-3907
PARTS KIT,LINEAR ACTUATING CYLIN
1650-00-594-3500
DISK,VALVE
1650-00-658-8056
PARTS KIT,VALVE
Frequently Asked Questions
What is NSN 1650-01-469-8476?
NSN 1650-01-469-8476 is a Cap Asembly,hydraul, manufactured by Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
What part numbers are listed for NSN 1650-01-469-8476?
NSN 1650-01-469-8476 has 1 manufacturer part number on file: P4521-N21 (Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit).
Is NSN 1650-01-469-8476 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 1650-01-469-8476?
NSN 1650-01-469-8476 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.