NSN 1650-01-224-0889 · NIIN 012240889 · Part number 40998B
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S · FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components · FSG 16 — Aircraft Components and Accessories · CAGE 73760
Government record, cited
NSN 1650-01-224-0889 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-224-0889. Manufacturer of record part number: 40998B.
Also searched as1650-01-224-0889 ·
1650012240889 ·
NIIN 012240889 ·
01-224-0889 ·
FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components · CAGE 73760 · 40998B
General Characteristics Item Description: RETAINER STEPPED SECOND OUTSIDE DIAMETER 0.637,0.492 INSIDE DIAMETER,0.068 FLANGE THICKNESS,0.213 THICK;NOTE: PARTS MUST BE STOCKED AND ASSEMBLED IN SETS
1 manufacturer part number on file
Manufacturer of record: Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
Identification
NSN: 1650-01-224-0889
NIIN: 012240889
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 40998B
Manufacturer: Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
General Description
The Retainer,split, cataloged under National Stock Number 1650-01-224-0889, 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 Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S. Government technical data includes 2 specifications, 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
1650-01-224-0889
Primary Part Number
40998B
Item Name
Retainer,split
FSC / FSG
1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Manufacturer
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
Status
ACTIVE
FSC Application Data
1650011894270 SERVOVALVE
General Characteristics Item Description
RETAINER STEPPED SECOND OUTSIDE DIAMETER 0.637,0.492 INSIDE DIAMETER,0.068 FLANGE THICKNESS,0.213 THICK;NOTE: PARTS MUST BE STOCKED AND ASSEMBLED IN SETS
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (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.
1650-00-000-0127
1650-00-000-0127 · Item name not on file
1650-00-000-0128
1650-00-000-0128 · Item name not on file
1650-00-000-0130
1650-00-000-0130 · Item name not on file
1650-00-000-0131
ROD,PISTON,LINEAR ACTUATING CYLI
1650-00-000-0151
SWIVEL JOINT HYDRAU
1650-00-000-0152
SWIVEL JOINT,HYDRAULIC,AIRCRAFT
1650-00-001-1732
SPACER YOKE,ADJUST
1650-00-001-1734
1650-00-001-1734 · Item name not on file
Frequently Asked Questions
What is NSN 1650-01-224-0889?
NSN 1650-01-224-0889 is a Retainer,split, manufactured by Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
What part numbers are listed for NSN 1650-01-224-0889?
NSN 1650-01-224-0889 has 1 manufacturer part number on file: 40998B (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S).
What are the specifications of 40998B?
Key specifications for 40998B: FSC Application Data: 1650011894270 SERVOVALVE; General Characteristics Item Description: RETAINER STEPPED SECOND OUTSIDE DIAMETER 0.637,0.492 INSIDE DIAMETER,0.068 FLANGE THICKNESS,0.213 THICK;NOTE: PARTS MUST BE STOCKED AND ASSEMBLED IN SETS; End Item Identification: B-1B ACFT. 2 specifications are documented in the U.S. Government catalog.
Is NSN 1650-01-224-0889 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.