NSN 1650-01-016-6688 · NIIN 010166688 · Part number 159SCH104-3
Northrop Grumman Systems Corporation · FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components · FSG 16 — Aircraft Components and Accessories · CAGE 26512
Government record, cited
NSN 1650-01-016-6688 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-016-6688. Manufacturer of record part number: 159SCH104-3.
Also searched as1650-01-016-6688 ·
1650010166688 ·
NIIN 010166688 ·
01-016-6688 ·
FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components · CAGE 26512 · 159SCH104-3
General Characteristics Item Description: AUXILIARY HYDRAULIC PRESSURE RELIEF VALVE,UNIT OF HYDRAULIC PRESSURE SYSTEM,APPL GRUMMAN GULFSTREAM ACFT MODEL G159
1 manufacturer part number on file
Manufacturer of record: Northrop Grumman Systems Corporation
Identification
NSN: 1650-01-016-6688
NIIN: 010166688
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 159SCH104-3
Manufacturer: Northrop Grumman Systems Corporation
General Description
The Valve Assembly,relief, cataloged under National Stock Number 1650-01-016-6688, 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 Northrop Grumman Systems Corporation. 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
1650-01-016-6688
Primary Part Number
159SCH104-3
Item Name
Valve Assembly,relief
FSC / FSG
1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Manufacturer
Northrop Grumman Systems Corporation
Status
ACTIVE
General Characteristics Item Description
AUXILIARY HYDRAULIC PRESSURE RELIEF VALVE,UNIT OF HYDRAULIC PRESSURE SYSTEM,APPL GRUMMAN GULFSTREAM ACFT MODEL G159
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 1650-01-016-6688?
NSN 1650-01-016-6688 is a Valve Assembly,relief, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
What part numbers are listed for NSN 1650-01-016-6688?
NSN 1650-01-016-6688 has 1 manufacturer part number on file: 159SCH104-3 (Northrop Grumman Systems Corporation).
What are the specifications of 159SCH104-3?
Key specifications for 159SCH104-3: General Characteristics Item Description: AUXILIARY HYDRAULIC PRESSURE RELIEF VALVE,UNIT OF HYDRAULIC PRESSURE SYSTEM,APPL GRUMMAN GULFSTREAM ACFT MODEL G159. 1 specification is documented in the U.S. Government catalog.
Is NSN 1650-01-016-6688 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 1650-01-016-6688?
NSN 1650-01-016-6688 has DEMIL Code B. 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.