PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

125278Retainer,disk,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-434-5490 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-434-5490 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-434-5490. Primary manufacturer part number: 125278.
Features
  • Retainer,disk,valve — FSC 4820
  • Valve Design Control Activity: 15187
  • Valve Model Number for Which Designed: DS-G-74893
  • Valve Size for Which Designed: 1.000 INCHES IN
  • Material: STEEL COMP 316
  • 2 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 316 construction
General Description

The Retainer,disk,valve, cataloged under National Stock Number 4820-01-434-5490, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-434-5490
Primary Part Number125278
Item NameRetainer,disk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Valve Design Control Activity15187
Valve Model Number for Which DesignedDS-G-74893
Valve Size for Which Designed1.000 INCHES IN
MaterialSTEEL COMP 316
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5315-00-298-9526125278 INTERCHANGEABLE
Pin,straight,headless
Telemechanics Inc
5815-00-369-941735-51 INTERCHANGEABLE
Shaft
Telemechanics Inc
4820-01-434-7968121556 INTERCHANGEABLE
Retainer,disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
125278 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
DS-G-74893 ITEM 4 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
5315-00-298-9526INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
125278
5815-00-369-9417INTERCHANGEABLE
SHAFT
35-51
4820-01-434-7968INTERCHANGEABLE
RETAINER,DISK,VALVE
121556

Frequently Asked Questions

What is NSN 4820-01-434-5490?

NSN 4820-01-434-5490 is a Retainer,disk,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 4820-01-434-5490?

NSN 4820-01-434-5490 has 2 cross-referenced part numbers: 125278 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), DS-G-74893 ITEM 4 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-01-434-5490?

There are 3 known substitutes for 4820-01-434-5490: 5315-00-298-9526, 5815-00-369-9417, 4820-01-434-7968. Verify interchangeability with system specifications before substitution.

What are the specifications of 125278?

Key specifications for 125278: Valve Design Control Activity: 15187; End Item Identification: SUPPLY CLASS AOE; Valve Model Number for Which Designed: DS-G-74893; Valve Size for Which Designed: 1.000 INCHES 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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