PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43101Piston,valve

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 4820-01-373-9595 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-373-9595 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-373-9595. Primary manufacturer part number: 43101.
Features
  • Piston,valve — FSC 4820
  • Valve Design Control Activity: 99643
  • 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 Piston,valve, cataloged under National Stock Number 4820-01-373-9595, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-373-9595
Primary Part Number43101
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
Valve Design Control Activity99643
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-151-741320446-1 INTERCHANGEABLE
Transformer,power
Stellant Systems Inc
6240-00-155-868349 INTERCHANGEABLE
Lamp,incandescent
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
3433-00-373-17250331-0017 INTERCHANGEABLE
Tip,cutting Torch
Victor Equipment Co
5970-00-601-204743101 INTERCHANGEABLE
Insulator,plate
Honeywell International Inc. Div Aerospace - Torrance
5999-00-728-438843101 INTERCHANGEABLE
Delay Line
L3harris Technologies, Inc. Div Space and Airborne Systems
5306-01-113-401343101 INTERCHANGEABLE
Bolt,tee Head
Jergens Inc Div Tooling Components Division
5962-01-119-469043-101 INTERCHANGEABLE
Microcircuit,linear
Hydro-Aire Aerospace Corp
5950-01-257-2109 INTERCHANGEABLE
Shielding Bead,electronic
7050-01-510-42354310-1 INTERCHANGEABLE
Converter,digital to Digital
Omnitron Systems Technology, Inc. Dba Omnitron Systems Technology Inc
Cross-Reference Index
Part NumberManufacturer
43101 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
Related Parts
5950-00-151-7413INTERCHANGEABLE
TRANSFORMER,POWER
20446-1
6240-00-155-8683INTERCHANGEABLE
LAMP,INCANDESCENT
49
3433-00-373-1725INTERCHANGEABLE
TIP,CUTTING TORCH
0331-0017
5970-00-601-2047INTERCHANGEABLE
INSULATOR,PLATE
43101
5999-00-728-4388INTERCHANGEABLE
DELAY LINE
43101
5306-01-113-4013INTERCHANGEABLE
BOLT,TEE HEAD
43101
5962-01-119-4690INTERCHANGEABLE
MICROCIRCUIT,LINEAR
43-101
5950-01-257-2109INTERCHANGEABLE
SHIELDING BEAD,ELECTRONIC
7050-01-510-4235INTERCHANGEABLE
CONVERTER,DIGITAL TO DIGITAL
4310-1

Frequently Asked Questions

What is NSN 4820-01-373-9595?

NSN 4820-01-373-9595 is a Piston,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 4820-01-373-9595?

NSN 4820-01-373-9595 has 1 cross-referenced part number: 43101 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 4820-01-373-9595?

There are 9 known substitutes for 4820-01-373-9595: 5950-00-151-7413, 6240-00-155-8683, 3433-00-373-1725 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43101?

Key specifications for 43101: Valve Design Control Activity: 99643. 1 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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