PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121583Retainer,disk,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-427-8464 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-427-8464 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-427-8464. Primary manufacturer part number: 121583.
Features
  • Retainer,disk,valve — FSC 4820
  • Valve Size for Which Designed: 1.500 INCHES IN
  • Valve Design Control Activity: 15187
  • Material: NICKEL ALLOY
  • Valve Model Number for Which Designed: HSJ-16-C
  • 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 Nickel Alloy construction
General Description

The Retainer,disk,valve, cataloged under National Stock Number 4820-01-427-8464, 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 3 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.

Technical Specifications
ParameterValue
NSN4820-01-427-8464
Primary Part Number121583
Item NameRetainer,disk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Valve Size for Which Designed1.500 INCHES IN
Valve Design Control Activity15187
MaterialNICKEL ALLOY
Valve Model Number for Which DesignedHSJ-16-C
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5945-00-252-2814SK5001 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
3020-00-352-6304121583 INTERCHANGEABLE
Gear,bevel
Fwd Seagrave Holdings Lp
5815-00-392-1839 INTERCHANGEABLE
Bail,extension
5940-01-248-6219121-583 INTERCHANGEABLE
Terminal Board
Tricor Systems Inc
3020-01-377-4019121583 INTERCHANGEABLE
Pulley,groove
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
Cross-Reference Index
Part NumberManufacturer
DS-G-79837-1 PIECE 8 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
121583 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
79837001 DS-G-79837-1 PC 8 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
5945-00-252-2814INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
SK5001
3020-00-352-6304INTERCHANGEABLE
GEAR,BEVEL
121583
5815-00-392-1839INTERCHANGEABLE
BAIL,EXTENSION
5940-01-248-6219INTERCHANGEABLE
TERMINAL BOARD
121-583
3020-01-377-4019INTERCHANGEABLE
PULLEY,GROOVE
121583

Frequently Asked Questions

What is NSN 4820-01-427-8464?

NSN 4820-01-427-8464 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 4820-01-427-8464?

NSN 4820-01-427-8464 has 3 cross-referenced part numbers: DS-G-79837-1 PIECE 8 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 121583 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 79837001 DS-G-79837-1 PC 8 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-01-427-8464?

There are 5 known substitutes for 4820-01-427-8464: 5945-00-252-2814, 3020-00-352-6304, 5815-00-392-1839 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 121583?

Key specifications for 121583: Valve Size for Which Designed: 1.500 INCHES IN; Valve Design Control Activity: 15187; Material: NICKEL ALLOY; Valve Model Number for Which Designed: HSJ-16-C. 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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