PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S4824F3234758-2Seat,valve

Naval Ship Systems Command · NSN 4820-01-127-8189 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-127-8189 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-127-8189. Primary manufacturer part number: S4824F3234758-2.
Features
  • Seat,valve — FSC 4820
  • 7 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-127-8189, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. This item has 7 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersNaval Ship Systems Command (CAGE 80064); Griswold Industries Dba Cla-Val Co (CAGE 86184)
Technical Specifications
ParameterValue
NSN4820-01-127-8189
Primary Part NumberS4824F3234758-2
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4730-00-240-5905AS5194D0402 INTERCHANGEABLE
Adapter,straight,pipe to Boss
Sae International Dba Sae International
5930-00-522-17949999-6001-001 INTERCHANGEABLE
Switch,push
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
5340-00-629-3433C149-2 INTERCHANGEABLE
Hanger,pipe
Abb Installation Products Inc
4210-00-653-1678C5237 INTERCHANGEABLE
Valve,plate
Griswold Industries Dba Cla-Val Co
4140-01-289-59981192B-32R-1177 INTERCHANGEABLE
Impeller,fan,axial
Hartzell Fan, Inc.
Cross-Reference Index
Part NumberManufacturer
S4824F3234758-2 PRIMARY Naval Ship Systems Command (USA)
C1492 Griswold Industries Dba Cla-Val Co (USA)
34140E PRIMARY Griswold Industries Dba Cla-Val Co (USA)
C-5237 Griswold Industries Dba Cla-Val Co (USA)
34140 Griswold Industries Dba Cla-Val Co (USA)
C-5237-2 Griswold Industries Dba Cla-Val Co (USA)
S4824F3234758 Naval Ship Systems Command (USA)
Related Parts
4730-00-240-5905INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO BOSS
AS5194D0402
5930-00-522-1794INTERCHANGEABLE
SWITCH,PUSH
9999-6001-001
5340-00-629-3433INTERCHANGEABLE
HANGER,PIPE
C149-2
4210-00-653-1678INTERCHANGEABLE
VALVE,PLATE
C5237
4140-01-289-5998INTERCHANGEABLE
IMPELLER,FAN,AXIAL
1192B-32R-1177

Frequently Asked Questions

What is NSN 4820-01-127-8189?

NSN 4820-01-127-8189 is a Seat,valve, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-127-8189?

NSN 4820-01-127-8189 has 7 cross-referenced part numbers: S4824F3234758-2 (Naval Ship Systems Command), C1492 (Griswold Industries Dba Cla-Val Co), 34140E (Griswold Industries Dba Cla-Val Co), C-5237 (Griswold Industries Dba Cla-Val Co), 34140 (Griswold Industries Dba Cla-Val Co) and 2 more.

What NSN replaces 4820-01-127-8189?

There are 5 known substitutes for 4820-01-127-8189: 4730-00-240-5905, 5930-00-522-1794, 5340-00-629-3433 and 2 more. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-127-8189 still in active supply?

NSN 4820-01-127-8189 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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