PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

106302-001Seat,valve

Curtiss-Wright Electro-Mechanical Corp Div Fleet Solutions · NSN 4820-00-477-6426 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-477-6426 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-477-6426. Primary manufacturer part number: 106302-001.
Features
  • Seat,valve — FSC 4820
  • Seat Radius: 0.210 INCHES NOMINAL IN
  • Taper Minor Diameter: 0.906 INCHES NOMINAL IN
  • Seating Surface Shape: RADIAL
  • Material: STEEL BODY
  • Material Document and Classification: MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE
  • Material: COBALT ALLOY FACE
  • Taper Major Diameter: 1.290 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-477-6426, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Div Fleet Solutions. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-477-6426
Primary Part Number106302-001
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corp Div Fleet Solutions
StatusACTIVE
Seat Radius0.210 INCHES NOMINAL IN
Taper Minor Diameter0.906 INCHES NOMINAL IN
Seating Surface ShapeRADIAL
MaterialSTEEL BODY
Material Document and ClassificationMIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE
MaterialCOBALT ALLOY FACE
Taper Major Diameter1.290 INCHES NOMINAL IN
Taper Length2.130 INCHES NOMINAL IN
Material Document and ClassificationQQ-S-763,CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5910-00-403-8872 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
5305-00-407-6140106302 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
5998-00-682-4925 INTERCHANGEABLE
Circuit Card Assembly
6150-01-539-39814KP140 INTERCHANGEABLE
Wiring Harness
Oshkosh Defense Llc
5365-01-699-8014106302 INTERCHANGEABLE
Spacer,sleeve
Weatherhaven Resources, Inc.
5305-01-730-4198 INTERCHANGEABLE
Screw,cap,socket Head
Cross-Reference Index
Part NumberManufacturer
106302-001 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
LB106302REVB Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
106302 Turbodyne Div of Dresser Industries Inc See Code 0br59 (USA)
106302 Waukesha Bearings Corporation (USA)
LB106302REVB Turbodyne Div of Dresser Industries Inc See Code 0br59 (USA)
106302-001 PRIMARY Curtiss-Wright Electro-Mechanical Corp Div Fleet Solutions (USA)
LB106302 Waukesha Bearings Corporation (USA)
106302-001 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
Related Parts
5910-00-403-8872INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
5305-00-407-6140INTERCHANGEABLE
SCREW,MACHINE
106302
5998-00-682-4925INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6150-01-539-3981INTERCHANGEABLE
WIRING HARNESS
4KP140
5365-01-699-8014INTERCHANGEABLE
SPACER,SLEEVE
106302
5305-01-730-4198INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD

Frequently Asked Questions

What is NSN 4820-00-477-6426?

NSN 4820-00-477-6426 is a Seat,valve, manufactured by Curtiss-Wright Electro-Mechanical Corp Div Fleet Solutions, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-477-6426?

NSN 4820-00-477-6426 has 8 cross-referenced part numbers: 106302-001 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), LB106302REVB (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), 106302 (Turbodyne Div of Dresser Industries Inc See Code 0br59), 106302 (Waukesha Bearings Corporation), LB106302REVB (Turbodyne Div of Dresser Industries Inc See Code 0br59) and 3 more.

What NSN replaces 4820-00-477-6426?

There are 6 known substitutes for 4820-00-477-6426: 5910-00-403-8872, 5305-00-407-6140, 5998-00-682-4925 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 106302-001?

Key specifications for 106302-001: Seat Radius: 0.210 INCHES NOMINAL IN; Taper Minor Diameter: 0.906 INCHES NOMINAL IN; Seating Surface Shape: RADIAL; Material: STEEL BODY. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com