The Piston Assembly,str, cataloged under National Stock Number 1620-00-034-4044, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
Catalog Facts
Item Name
Piston Assembly,str
FSC / FSG
1620 — Aircraft Landing Gear Components (FSG 16)
Technical Specifications
Parameter
Value
NSN
1620-00-034-4044
Item Name
Piston Assembly,str
FSC / FSG
1620 / 16 — Aircraft Landing Gear 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)
Criticality Code
F
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
5816143-503
5/9Secondary reference
The Boeing Company
5816143-503
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 1620 — Aircraft Landing Gear Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1620-00-491-0877
STRIKER,MICRO SWITCH
1620-00-491-0877
STRIKER,MICRO SWITCH
1620-00-699-0282
PISTON,CRANK AND LI
1620-00-718-6770
PISTON,FLOATING
1620-00-718-6770
PISTON,FLOATING
1620-00-736-1020
ROD,LATCH,SHORTENIN
1620-00-736-1020
ROD,LATCH,SHORTENIN
1620-00-756-9181
FITTING,STACK,TUBE
Frequently Asked Questions
What is NSN 1620-00-034-4044?
NSN 1620-00-034-4044 is a Piston Assembly,str, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
Is NSN 1620-00-034-4044 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 1620-00-034-4044?
NSN 1620-00-034-4044 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.