PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

V-1934Seat,valve

Spx Flow Us, Llc Dba Spx Valves & Controls · NSN 4820-00-390-4187 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-390-4187 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-390-4187. Primary manufacturer part number: V-1934.
Features
  • Seat,valve — FSC 4820
  • Material: NICKEL ALLOY S SEAT
  • 5 verified cross-references
  • Primary manufacturer: Spx Flow Us, Llc Dba Spx Valves & Controls
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy S Seat construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-390-4187, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Spx Flow Us, Llc Dba Spx Valves & Controls. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-390-4187
Primary Part NumberV-1934
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSpx Flow Us, Llc Dba Spx Valves & Controls
StatusACTIVE
MaterialNICKEL ALLOY S SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2805-00-863-1786V-1115 INTERCHANGEABLE
Valve,poppet,engine
Federal-Mogul Corp Government Sales Dept
Cross-Reference Index
Part NumberManufacturer
V-1934 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
12045-1PC52 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
Y15623PC52 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
V15626PC52 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
12041-2PC52 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
Related Parts
2805-00-863-1786INTERCHANGEABLE
VALVE,POPPET,ENGINE
V-1115

Frequently Asked Questions

What is NSN 4820-00-390-4187?

NSN 4820-00-390-4187 is a Seat,valve, manufactured by Spx Flow Us, Llc Dba Spx Valves & Controls, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-390-4187?

NSN 4820-00-390-4187 has 5 cross-referenced part numbers: V-1934 (Spx Flow Us, Llc Dba Spx Valves & Controls), 12045-1PC52 (Spx Flow Us, Llc Dba Spx Valves & Controls), Y15623PC52 (Spx Flow Us, Llc Dba Spx Valves & Controls), V15626PC52 (Spx Flow Us, Llc Dba Spx Valves & Controls), 12041-2PC52 (Spx Flow Us, Llc Dba Spx Valves & Controls).

What NSN replaces 4820-00-390-4187?

There is 1 known substitute for 4820-00-390-4187: 2805-00-863-1786. Verify interchangeability with system specifications before substitution.

What are the specifications of V-1934?

Key specifications for V-1934: Material: NICKEL ALLOY S SEAT. 1 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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