PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20489Shaft and Seat Assy

Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems · NSN 1730-00-800-1057 · FSC 1730 · No Item Name Available
Verified by PartsTable
NSN 1730-00-800-1057 — this item is cataloged by the U.S. Government under National Stock Number 1730-00-800-1057. Primary manufacturer part number: 20489.
Features
  • Shaft and Seat Assy — FSC 1730
  • 1 verified cross-reference
  • Primary manufacturer: Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shaft and Seat Assy, cataloged under National Stock Number 1730-00-800-1057, is classified within Federal Supply Class 1730 (No Item Name Available) of the Aircraft Launch, Landing, and Ground Handling Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameShaft and Seat Assy
FSC / FSG1730 — No Item Name Available (FSG 17)
ManufacturersNorthrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems (CAGE 77646)
Technical Specifications
ParameterValue
NSN1730-00-800-1057
Primary Part Number20489
Item NameShaft and Seat Assy
FSC / FSG1730 / 17 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5331-00-078-8444 INTERCHANGEABLE
O-Ring
5342-00-182-981620489 INTERCHANGEABLE
Bracket
Vse Aviation, Inc.
5935-00-223-0572 INTERCHANGEABLE
Clamp,cable,electrical Connector
5915-00-833-9025 INTERCHANGEABLE
Filter,radio Frequency Interfere
2915-00-846-628720489 INTERCHANGEABLE
Sleeve,shaft,valve
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
1660-00-916-350120489 INTERCHANGEABLE
Retainer,seal,valve
Hamilton Sundstrand Corporation Dba Collins Aerospace
3040-01-183-475920489 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Leslie Controls, Inc. Dba Leslie Controls Inc
5340-01-502-391920489 INTERCHANGEABLE
Strap,webbing
Lift-All Company, Inc
Cross-Reference Index
Part NumberManufacturer
20489 PRIMARY Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems (USA)
Related Parts
5331-00-078-8444INTERCHANGEABLE
O-RING
5342-00-182-9816INTERCHANGEABLE
BRACKET
20489
5935-00-223-0572INTERCHANGEABLE
CLAMP,CABLE,ELECTRICAL CONNECTOR
5915-00-833-9025INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
2915-00-846-6287INTERCHANGEABLE
SLEEVE,SHAFT,VALVE
20489
1660-00-916-3501INTERCHANGEABLE
RETAINER,SEAL,VALVE
20489
3040-01-183-4759INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
20489
5340-01-502-3919INTERCHANGEABLE
STRAP,WEBBING
20489

Frequently Asked Questions

What is NSN 1730-00-800-1057?

NSN 1730-00-800-1057 is a Shaft and Seat Assy, manufactured by Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems, classified under FSC 1730 (No Item Name Available). Status: active.

What are the part numbers for NSN 1730-00-800-1057?

NSN 1730-00-800-1057 has 1 cross-referenced part number: 20489 (Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems).

What NSN replaces 1730-00-800-1057?

There are 8 known substitutes for 1730-00-800-1057: 5331-00-078-8444, 5342-00-182-9816, 5935-00-223-0572 and 5 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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