PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74193Disk,valve

Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator · NSN 4820-01-103-9136 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-103-9136 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-103-9136. Primary manufacturer part number: 74193.
Features
  • Disk,valve — FSC 4820
  • Style Designator: BUTTERFLY
  • Material Thickness: 0.590 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING
  • Outside Diameter: 1.983 INCHES NOMINAL IN
  • 3 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
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-103-9136, 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. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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.

Technical Specifications
ParameterValue
NSN4820-01-103-9136
Primary Part Number74193
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
StatusACTIVE
Style DesignatorBUTTERFLY
Material Thickness0.590 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Outside Diameter1.983 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2530-00-192-863774193 INTERCHANGEABLE
Parts Kit,hydraulic Brake Master
Dressta North America Ltd
5970-00-766-6639 INTERCHANGEABLE
Insulator,washer
5925-01-068-7906APL111-1-6-600-153 INTERCHANGEABLE
Circuit Breaker
Sensata Technologies Maryland, Inc
4520-01-085-7699 INTERCHANGEABLE
Generator,pilot
4820-01-103-809174213 INTERCHANGEABLE
Wafer,thrust
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
5365-01-134-990074208 INTERCHANGEABLE
Bushing,valve
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
5895-01-569-556074184 INTERCHANGEABLE
Receiver-Transmitter Subassembly
Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic
Cross-Reference Index
Part NumberManufacturer
74193 PRIMARY Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
74184 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
74184 ITEM 4 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
Related Parts
2530-00-192-8637INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE MASTER
74193
5970-00-766-6639INTERCHANGEABLE
INSULATOR,WASHER
5925-01-068-7906INTERCHANGEABLE
CIRCUIT BREAKER
APL111-1-6-600-153
4520-01-085-7699INTERCHANGEABLE
GENERATOR,PILOT
4820-01-103-8091INTERCHANGEABLE
WAFER,THRUST
74213
5365-01-134-9900INTERCHANGEABLE
BUSHING,VALVE
74208
5895-01-569-5560INTERCHANGEABLE
RECEIVER-TRANSMITTER SUBASSEMBLY
74184

Frequently Asked Questions

What is NSN 4820-01-103-9136?

NSN 4820-01-103-9136 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 4820-01-103-9136?

NSN 4820-01-103-9136 has 3 cross-referenced part numbers: 74193 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 74184 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 74184 ITEM 4 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).

What NSN replaces 4820-01-103-9136?

There are 7 known substitutes for 4820-01-103-9136: 2530-00-192-8637, 5970-00-766-6639, 5925-01-068-7906 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 74193?

Key specifications for 74193: Style Designator: BUTTERFLY; Material Thickness: 0.590 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING; Outside Diameter: 1.983 INCHES NOMINAL IN. 5 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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