FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories
General Description
The Cap,valve, cataloged under National Stock Number 1650-01-204-6331, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1650-01-204-6331
Item Name
Cap,valve
FSC / FSG
1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Status
ACTIVE
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
3821327-101
5/9Secondary reference
U.S. Government activity
3841260-101
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.
1650-00-011-0886
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 1650-01-204-6331?
NSN 1650-01-204-6331 is a Cap,valve, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
What are the specifications of 1650-01-204-6331?
Key specifications for 1650-01-204-6331: End Item Identification: B-1B AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1650-01-204-6331 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.