PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78381Diaphragm,actuator Valve,special

Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator · NSN 4820-01-214-1726 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-214-1726 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-214-1726. Primary manufacturer part number: 78381.
Features
  • Diaphragm,actuator Valve,special — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-214-1726, 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 Sterer Engineering Div Valve & Actuator. This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDiaphragm,actuator Valve,special
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersEaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (CAGE 09790)
Technical Specifications
ParameterValue
NSN4820-01-214-1726
Primary Part Number78381
Item NameDiaphragm,actuator Valve,special
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6625-00-367-827178-3-8-1 INTERCHANGEABLE
Voltmeter
Celtech Corporation Div Use CAGE 65552 for All Orders
1610-00-386-851278821 INTERCHANGEABLE
Housing,au,iliary O
Hamilton Sundstrand Corporation Dba Collins Aerospace
5950-00-464-25115T806 INTERCHANGEABLE
Transformer,power
Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc
7025-01-509-061378381 INTERCHANGEABLE
Printer,automatic Data Processin
Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic
6680-01-658-794378381 INTERCHANGEABLE
Indicator,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
78821 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
78821-1 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
78381 PRIMARY Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
78821-2 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
Related Parts
6625-00-367-8271INTERCHANGEABLE
VOLTMETER
78-3-8-1
1610-00-386-8512INTERCHANGEABLE
HOUSING,AU,ILIARY O
78821
5950-00-464-2511INTERCHANGEABLE
TRANSFORMER,POWER
5T806
7025-01-509-0613INTERCHANGEABLE
PRINTER,AUTOMATIC DATA PROCESSIN
78381
6680-01-658-7943INTERCHANGEABLE
INDICATOR,LIQUID QUANTITY
78381

Frequently Asked Questions

What is NSN 4820-01-214-1726?

NSN 4820-01-214-1726 is a Diaphragm,actuator Valve,special, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-214-1726?

NSN 4820-01-214-1726 has 4 cross-referenced part numbers: 78821 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 78821-1 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 78381 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 78821-2 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).

What NSN replaces 4820-01-214-1726?

There are 5 known substitutes for 4820-01-214-1726: 6625-00-367-8271, 1610-00-386-8512, 5950-00-464-2511 and 2 more. Verify interchangeability with system specifications before substitution.

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