General Characteristics Item Description: ALUMINUM ALLOY 2024-T351,QQ-A-225/6;1.310 IN.MIN,1.370 IN.MAX LG,0.938 IN.MIN,0.948 IN.MAX FIRST END DIA,0.720 IN.MIN,0.780 IN.MAX SECOND ENDDIA,0.193 IN.MIN,0.198 IN.MAX SECOND END HOLE DIA,0.750 IN.DP IN
Identification
NSN: 1650-01-078-7170
NIIN: 010787170
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories
General Description
The Fitting,sight Gage, cataloged under National Stock Number 1650-01-078-7170, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
1650-01-078-7170
Item Name
Fitting,sight Gage
FSC / FSG
1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Status
ACTIVE
General Characteristics Item Description
ALUMINUM ALLOY 2024-T351,QQ-A-225/6;1.310 IN.MIN,1.370 IN.MAX LG,0.938 IN.MIN,0.948 IN.MAX FIRST END DIA,0.720 IN.MIN,0.780 IN.MAX SECOND ENDDIA,0.193 IN.MIN,0.198 IN.MAX SECOND END HOLE DIA,0.750 IN.DP IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
4H2207-101A
3/2Design control — primary reference
U.S. Government activity
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 1650-01-078-7170?
NSN 1650-01-078-7170 is a Fitting,sight Gage, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
What are the specifications of 1650-01-078-7170?
Key specifications for 1650-01-078-7170: General Characteristics Item Description: ALUMINUM ALLOY 2024-T351,QQ-A-225/6;1.310 IN.MIN,1.370 IN.MAX LG,0.938 IN.MIN,0.948 IN.MAX FIRST END DIA,0.720 IN.MIN,0.780 IN.MAX SECOND ENDDIA,0.193 IN.MIN,0.198 IN.MAX SECOND END HOLE DIA,0.750 IN.DP IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 1650-01-078-7170 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.