FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories
General Description
The Poppet,valve, cataloged under National Stock Number 1650-00-822-7997, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Poppet,valve
FSC / FSG
1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components (FSG 16)
Technical Specifications
Parameter
Value
NSN
1650-00-822-7997
Item Name
Poppet,valve
FSC / FSG
1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL Q — CCL Item — Commerce Control List
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4810-00-866-820058667POSSIBLE MATCH
SLEEVE AND SLIDE,DIRECTIONAL CON
Possible match (shared part number)Parker Hannifin Corporation Div Hydraulic Systems Division
4820-01-129-396358667POSSIBLE MATCH
DIAPHRAGM,ACTUATOR VALVE,SPECIAL
Possible match (shared part number)Meggitt North Hollywood Inc
3530-01-189-564358667POSSIBLE MATCH
FRAME,SHUTTLE
Possible match (shared part number)Singer Industrial Sewing Products Co Cutters Exchange Div
4820-01-286-947658667POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
1650PL1033098
6/9Informative reference only
Jednolity Indeks Materialowy - Uniform Material Index
58667
5/9Secondary reference
Adel a Div of De Laval Turbine Inc
58667
3/2Design control — primary reference
U.S. Government activity
Related Parts
4810-00-866-8200POSSIBLE MATCH
SLEEVE AND SLIDE,DIRECTIONAL CON
58667
4820-01-129-3963POSSIBLE MATCH
DIAPHRAGM,ACTUATOR VALVE,SPECIAL
58667
3530-01-189-5643POSSIBLE MATCH
FRAME,SHUTTLE
58667
4820-01-286-9476POSSIBLE MATCH
DISK,VALVE
58667
Frequently Asked Questions
What is NSN 1650-00-822-7997?
NSN 1650-00-822-7997 is a Poppet,valve, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
What NSN replaces 1650-00-822-7997?
4 possible matches (shared part number, not a government interchangeability claim): 4810-00-866-8200, 4820-01-129-3963, 3530-01-189-5643. Verify interchangeability with system specifications before substitution.
Is NSN 1650-00-822-7997 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 1650-00-822-7997?
NSN 1650-00-822-7997 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.