PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

123365Stem,fluid Valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-434-7948 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-434-7948 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-434-7948. Primary manufacturer part number: 123365.
Features
  • Stem,fluid Valve — FSC 4820
  • Stem Actuating End Type: FLATTED
  • Valve Type for Which Designed: RELIEF
  • Material: STEEL COMP 416
  • Valve Size for Which Designed: 0.500 INCHES IN
  • Valve Model Number for Which Designed: DS-G-74893
  • 3 verified cross-references
  • Primary manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 416 construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-434-7948, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 5 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-434-7948
Primary Part Number123365
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Stem Actuating End TypeFLATTED
Valve Type for Which DesignedRELIEF
MaterialSTEEL COMP 416
Valve Size for Which Designed0.500 INCHES IN
Valve Model Number for Which DesignedDS-G-74893
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5815-00-392-1912 INTERCHANGEABLE
Yoke
3030-00-769-3503H15165-517 INTERCHANGEABLE
Belt,positive Drive
The Boeing Company Div Defense
4820-01-434-5344122598 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-434-5345122584 INTERCHANGEABLE
Guide,valve Stem
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-434-5348122599 INTERCHANGEABLE
Retainer,disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-434-5488123760 INTERCHANGEABLE
Stem,fluid Valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-434-5492S85248 INTERCHANGEABLE
Stem,fluid Valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-434-6129S75376 INTERCHANGEABLE
Base Assembly,relief Valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-434-6632121555 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-434-6636121393 INTERCHANGEABLE
Guide,valve Stem
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
123365 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
DS-G-74893 ITEM 7 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
DS-G-74893 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
5815-00-392-1912INTERCHANGEABLE
YOKE
3030-00-769-3503INTERCHANGEABLE
BELT,POSITIVE DRIVE
H15165-517
4820-01-434-5344INTERCHANGEABLE
DISK,VALVE
122598
4820-01-434-5345INTERCHANGEABLE
GUIDE,VALVE STEM
122584
4820-01-434-5348INTERCHANGEABLE
RETAINER,DISK,VALVE
122599
4820-01-434-5488INTERCHANGEABLE
STEM,FLUID VALVE
123760
4820-01-434-5492INTERCHANGEABLE
STEM,FLUID VALVE
S85248
4820-01-434-6129INTERCHANGEABLE
BASE ASSEMBLY,RELIEF VALVE
S75376
4820-01-434-6632INTERCHANGEABLE
DISK,VALVE
121555
4820-01-434-6636INTERCHANGEABLE
GUIDE,VALVE STEM
121393
4820-01-434-6660INTERCHANGEABLE
VALVE,SAFETY RELIEF
77321003
4820-01-434-7968INTERCHANGEABLE
RETAINER,DISK,VALVE
121556

Frequently Asked Questions

What is NSN 4820-01-434-7948?

NSN 4820-01-434-7948 is a Stem,fluid Valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-434-7948?

NSN 4820-01-434-7948 has 3 cross-referenced part numbers: 123365 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), DS-G-74893 ITEM 7 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), DS-G-74893 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-01-434-7948?

There are 12 known substitutes for 4820-01-434-7948: 5815-00-392-1912, 3030-00-769-3503, 4820-01-434-5344 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 123365?

Key specifications for 123365: Stem Actuating End Type: FLATTED; Valve Type for Which Designed: RELIEF; Special Features: FOR SAFETY RELIEF VALVE 0.500 IN. BY 1.000 IN. IN; Material: STEEL COMP 416. 7 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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