PartsTable TECHNICAL DATA SHEET
NSN 1620-01-577-0849Government record, cited

Stop, Landing Gear1620-01-577-0849

NSN 1620-01-577-0849 · NIIN 015770849 · Part number UPA31104-1
General Atomics Aeronautical Systems, Inc. · FSC 1620 — Aircraft Landing Gear Components · FSG 16 — Aircraft Components and Accessories · CAGE 0YJB5
Government record, cited
NSN 1620-01-577-0849 — this item is cataloged by the U.S. Government under National Stock Number 1620-01-577-0849. Manufacturer of record part number: UPA31104-1.
Also searched as  1620-01-577-0849 · 1620015770849 · NIIN 015770849 · 01-577-0849 · FSC 1620 Aircraft Landing Gear Components · CAGE 0YJB5 · UPA31104-1
Nearby stock numbers  ·
Features
  • Stop,landing Gear — FSC 1620
  • 1 manufacturer part number on file
  • Manufacturer of record: General Atomics Aeronautical Systems, Inc.
Identification
  • NSN: 1620-01-577-0849
  • NIIN: 015770849
  • FSC: 1620 — Aircraft Landing Gear Components
  • FSG: 16 — Aircraft Components and Accessories
  • Primary part number: UPA31104-1
  • Manufacturer: General Atomics Aeronautical Systems, Inc.
General Description

The Stop,landing Gear, cataloged under National Stock Number 1620-01-577-0849, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is General Atomics Aeronautical Systems, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts
Item NameStop,landing Gear
FSC / FSG1620 — Aircraft Landing Gear Components (FSG 16)
ManufacturersGeneral Atomics Aeronautical Systems, Inc. (CAGE 0YJB5)
Technical Specifications
ParameterValue
NSN1620-01-577-0849
Primary Part NumberUPA31104-1
Item NameStop,landing Gear
FSC / FSG1620 / 16 — Aircraft Landing Gear Components
ManufacturerGeneral Atomics Aeronautical Systems, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL Q — CCL Item — Commerce Control List
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
UPA31104-1 PRIMARY General Atomics Aeronautical Systems, Inc. (USA)
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 1620-01-577-0849?

NSN 1620-01-577-0849 is a Stop,landing Gear, manufactured by General Atomics Aeronautical Systems, Inc., classified under FSC 1620, Aircraft Landing Gear Components. Status: active.

What part numbers are listed for NSN 1620-01-577-0849?

NSN 1620-01-577-0849 has 1 manufacturer part number on file: UPA31104-1 (General Atomics Aeronautical Systems, Inc.).

What are the specifications of UPA31104-1?

Key specifications for UPA31104-1: Part Name Assigned by Controlling Agency: V BLOCK, MAIN GEAR; End Item Identification: RQ-1A PREDATOR DRONE A. 0 specifications are documented in the U.S. Government catalog.

Is NSN 1620-01-577-0849 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 1620-01-577-0849?

NSN 1620-01-577-0849 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.
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