PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X74222PC87Seat,valve

Spx Flow Us, Llc Dba Spx Valves & Controls · NSN 4820-01-032-1399 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-032-1399 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-032-1399. Primary manufacturer part number: X74222PC87.
Features
  • Seat,valve — FSC 4820
  • Flange Diameter: 0.625 INCHES NOMINAL IN
  • Under Flange Height: 0.250 INCHES NOMINAL IN
  • Style Designator: PLAIN FLANGED
  • Material: STEEL OVERALL
  • Seating Surface Shape: FLAT
  • Body Inside Diameter: 0.375 INCHES NOMINAL IN
  • Body Outside Diameter: 0.562 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-032-1399, 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 8 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
NSN4820-01-032-1399
Primary Part NumberX74222PC87
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSpx Flow Us, Llc Dba Spx Valves & Controls
StatusACTIVE
Flange Diameter0.625 INCHES NOMINAL IN
Under Flange Height0.250 INCHES NOMINAL IN
Style DesignatorPLAIN FLANGED
MaterialSTEEL OVERALL
Seating Surface ShapeFLAT
Body Inside Diameter0.375 INCHES NOMINAL IN
Body Outside Diameter0.562 INCHES NOMINAL IN
Flange Seat to Disk End Height0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-588-556216589 INTERCHANGEABLE
Packing Material
Harbormaster Marine, Inc
4820-00-886-3539 INTERCHANGEABLE
Disk,valve
4410-01-107-0533X74222 HEAD ASSEMBLY INTERCHANGEABLE
Head Assembly
Clyde Bergemann Inc
3040-01-107-0534 INTERCHANGEABLE
Shaft,operating
3040-01-107-0535 INTERCHANGEABLE
Lever,manual Control
4410-01-107-0536 INTERCHANGEABLE
Cam,valve Assembly
4410-01-107-0560 INTERCHANGEABLE
Spindle,soot Blower
4410-01-107-0564 INTERCHANGEABLE
Rotor Blower
5342-01-107-0568S018911 INTERCHANGEABLE
Bracket,valve
Clyde Bergemann Inc
4310-01-107-0590 INTERCHANGEABLE
Piston,compressor
Cross-Reference Index
Part NumberManufacturer
X74222PC87 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
X74222 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
16589 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
Related Parts
5330-00-588-5562INTERCHANGEABLE
PACKING MATERIAL
16589
4820-00-886-3539INTERCHANGEABLE
DISK,VALVE
4410-01-107-0533INTERCHANGEABLE
HEAD ASSEMBLY
X74222 HEAD ASSEMBLY
3040-01-107-0534INTERCHANGEABLE
SHAFT,OPERATING
3040-01-107-0535INTERCHANGEABLE
LEVER,MANUAL CONTROL
4410-01-107-0536INTERCHANGEABLE
CAM,VALVE ASSEMBLY
4410-01-107-0560INTERCHANGEABLE
SPINDLE,SOOT BLOWER
4410-01-107-0564INTERCHANGEABLE
ROTOR BLOWER
5342-01-107-0568INTERCHANGEABLE
BRACKET,VALVE
S018911
4310-01-107-0590INTERCHANGEABLE
PISTON,COMPRESSOR
5365-01-107-0591INTERCHANGEABLE
BUSHING,VALVE BODY
4820-01-110-6620INTERCHANGEABLE
TRIP,VALVE

Frequently Asked Questions

What is NSN 4820-01-032-1399?

NSN 4820-01-032-1399 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 4820-01-032-1399?

NSN 4820-01-032-1399 has 3 cross-referenced part numbers: X74222PC87 (Spx Flow Us, Llc Dba Spx Valves & Controls), X74222 (Spx Flow Us, Llc Dba Spx Valves & Controls), 16589 (Spx Flow Us, Llc Dba Spx Valves & Controls).

What NSN replaces 4820-01-032-1399?

There are 12 known substitutes for 4820-01-032-1399: 5330-00-588-5562, 4820-00-886-3539, 4410-01-107-0533 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of X74222PC87?

Key specifications for X74222PC87: Flange Diameter: 0.625 INCHES NOMINAL IN; Under Flange Height: 0.250 INCHES NOMINAL IN; Style Designator: PLAIN FLANGED; Material: STEEL OVERALL. 9 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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