PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74890 PC 1Disk,valve

Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator · NSN 4820-01-141-5168 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-141-5168 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-141-5168. Primary manufacturer part number: 74890 PC 1.
Features
  • Disk,valve — FSC 4820
  • 5 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 Disk,valve, cataloged under National Stock Number 4820-01-141-5168, 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 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDisk,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersEaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (CAGE 09790)
Technical Specifications
ParameterValue
NSN4820-01-141-5168
Primary Part Number74890 PC 1
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5815-00-126-802774889 INTERCHANGEABLE
Plate,teletypewriter Retractor
Telemechanics Inc
5945-00-259-653274889 INTERCHANGEABLE
Relay,electromagnetic
Hamilton Sundstrand Corporation Dba Collins Aerospace
5360-00-448-387074700 INTERCHANGEABLE
Spring,helical,extension
Lucent Technologies Inc Corporate Headquarters
5999-00-503-740574890 INTERCHANGEABLE
Contact Assembly,electrical
Telemechanics Inc
2915-00-991-096874889 INTERCHANGEABLE
Cover Piston
Triumph Engine Control Systems Llc
2915-00-991-098174890 INTERCHANGEABLE
Link,governor
Triumph Engine Control Systems Llc
2590-01-561-0967 INTERCHANGEABLE
Winch,drum,vehicle Mounting
Cross-Reference Index
Part NumberManufacturer
74890 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
74700 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
74700 PC 23 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
74890 PC 1 PRIMARY Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
74889 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
Related Parts
5815-00-126-8027INTERCHANGEABLE
PLATE,TELETYPEWRITER RETRACTOR
74889
5945-00-259-6532INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
74889
5360-00-448-3870INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
74700
5999-00-503-7405INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
74890
2915-00-991-0968INTERCHANGEABLE
COVER PISTON
74889
2915-00-991-0981INTERCHANGEABLE
LINK,GOVERNOR
74890
2590-01-561-0967INTERCHANGEABLE
WINCH,DRUM,VEHICLE MOUNTING

Frequently Asked Questions

What is NSN 4820-01-141-5168?

NSN 4820-01-141-5168 is a Disk,valve, 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 4820-01-141-5168?

NSN 4820-01-141-5168 has 5 cross-referenced part numbers: 74890 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 74700 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 74700 PC 23 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 74890 PC 1 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 74889 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).

What NSN replaces 4820-01-141-5168?

There are 7 known substitutes for 4820-01-141-5168: 5815-00-126-8027, 5945-00-259-6532, 5360-00-448-3870 and 4 more. Verify interchangeability with system specifications before substitution.

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