PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43159Retainer,valve

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 4820-01-374-0578 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-374-0578 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-374-0578. Primary manufacturer part number: 43159.
Features
  • Retainer,valve — FSC 4820
  • General Characteristics Item Description: 16 UN-3A A
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Retainer,valve, cataloged under National Stock Number 4820-01-374-0578, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-374-0578
Primary Part Number43159
Item NameRetainer,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
General Characteristics Item Description16 UN-3A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-681-650563910-002-1 INTERCHANGEABLE
Reactor
Textron Systems Corporation Dba Textron Systems Corp
5998-01-062-946243159 INTERCHANGEABLE
Circuit Card Assembly
Setra Systems, Inc. Dba Gems Sensors
3040-01-198-083343159 INTERCHANGEABLE
Shaft,straight
Insinger Machine Co
Cross-Reference Index
Part NumberManufacturer
43159 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
Related Parts
5950-00-681-6505INTERCHANGEABLE
REACTOR
63910-002-1
5998-01-062-9462INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
43159
3040-01-198-0833INTERCHANGEABLE
SHAFT,STRAIGHT
43159

Frequently Asked Questions

What is NSN 4820-01-374-0578?

NSN 4820-01-374-0578 is a Retainer,valve, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-374-0578?

NSN 4820-01-374-0578 has 1 cross-referenced part number: 43159 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 4820-01-374-0578?

There are 3 known substitutes for 4820-01-374-0578: 5950-00-681-6505, 5998-01-062-9462, 3040-01-198-0833. Verify interchangeability with system specifications before substitution.

What are the specifications of 43159?

Key specifications for 43159: General Characteristics Item Description: 16 UN-3A A; End Item Identification: LANDING GEAR. 2 total characteristics are documented in the Federal Logistics Information System.

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