NSN 1650-01-318-9003 · NIIN 013189003 · Part number B-7990
Trend Tool, Inc. · FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components · FSG 16 — Aircraft Components and Accessories · CAGE 0FNZ2
Government record, cited
NSN 1650-01-318-9003 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-318-9003. Manufacturer of record part number: B-7990.
Also searched as1650-01-318-9003 ·
1650013189003 ·
NIIN 013189003 ·
01-318-9003 ·
FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components · CAGE 0FNZ2 · B-7990
First End Thickness at Mounting Holes: 1.250 INCHES NOMINAL IN
First End Hole Diameter: 0.730 INCHES NOMINAL IN
Identification
NSN: 1650-01-318-9003
NIIN: 013189003
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: B-7990
Manufacturer: Trend Tool, Inc.
General Description
The Cylinder Assembly,actuating,line, cataloged under National Stock Number 1650-01-318-9003, 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 Trend Tool, Inc.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Technical Specifications
Parameter
Value
NSN
1650-01-318-9003
Primary Part Number
B-7990
Item Name
Cylinder Assembly,actuating,line
FSC / FSG
1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
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 1650-01-318-9003?
NSN 1650-01-318-9003 is a Cylinder Assembly,actuating,line, manufactured by Trend Tool, Inc., classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
What part numbers are listed for NSN 1650-01-318-9003?
NSN 1650-01-318-9003 has 2 manufacturer part numbers on file: B-7990 (Trend Tool, Inc.), B-7990 (Hydraulic Systems and Components Inc.).
What are the specifications of B-7990?
Key specifications for B-7990: First End Tongue Length: 2.563 INCHES NOMINAL IN; Compressed Length: 11.500 INCHES NOMINAL IN; Extended Length: 14.250 INCHES NOMINAL IN; First End Fork Width: 1.500 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 1650-01-318-9003 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 1650-01-318-9003?
NSN 1650-01-318-9003 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.