PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

335506300M02Seat,valve

Magnatrol Valve Corp Div Clark-Cooper · NSN 4810-00-343-5998 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-343-5998 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-343-5998. Primary manufacturer part number: 335506300M02.
Features
  • Seat,valve — FSC 4810
  • Thread Series Designator: UN SINGLE THREADED PORTION
  • Material: NICKEL ALLOY OVERALL
  • Style Designator: THREADED FLANGED
  • Nominal Thread Size: 1.375 INCHES SINGLE THREADED PORTION IN
  • Flange Diameter: 1.438 INCHES NOMINAL IN
  • Body Inside Diameter: 1.000 INCHES NOMINAL IN
  • Seat Angle in Deg: 60.000 NOMINAL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4810-00-343-5998, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Magnatrol Valve Corp Div Clark-Cooper. Government technical data includes 13 verified specifications, 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-00-343-5998
Primary Part Number335506300M02
Item NameSeat,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerMagnatrol Valve Corp Div Clark-Cooper
StatusACTIVE
Thread Series DesignatorUN SINGLE THREADED PORTION
MaterialNICKEL ALLOY OVERALL
Style DesignatorTHREADED FLANGED
Nominal Thread Size1.375 INCHES SINGLE THREADED PORTION IN
Flange Diameter1.438 INCHES NOMINAL IN
Body Inside Diameter1.000 INCHES NOMINAL IN
Seat Angle in Deg60.000 NOMINAL
Thread Length0.375 INCHES NOMINAL SINGLE THREADED PORTION IN
Thread Class2A SINGLE THREADED PORTION A
Thread Quantity Per Inch16 SINGLE THREADED PORTION
Under Flange Height0.375 INCHES NOMINAL IN
Flange Seat to Disk End Height0.125 INCHES NOMINAL IN
Seating Surface ShapeANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2940-00-141-9025 INTERCHANGEABLE
Filter Element,fluid
5315-00-276-43470048713 INTERCHANGEABLE
Pin,straight,headed
New Holland Construction
5950-00-449-3738R259125-1 INTERCHANGEABLE
Transformer,power
Raytheon Company
3110-00-529-9480 INTERCHANGEABLE
Bearing,ball,annular
5950-00-683-3232 INTERCHANGEABLE
Transformer,power
5970-01-071-3394 INTERCHANGEABLE
Insulator,plate
3230-01-269-052943161 INTERCHANGEABLE
Bit,router
Porter Cable/delta
4810-01-373-784043161 INTERCHANGEABLE
Seat,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5330-01-393-0052636077 NON-ASBESTOS INTERCHANGEABLE
Gasket,spiral Wound
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4320-01-462-5101 INTERCHANGEABLE
Shaft,transmission,pump
Cross-Reference Index
Part NumberManufacturer
355-07A Magnatrol Valve Corp Div Clark-Cooper (USA)
03161 Magnatrol Valve Corp Div Clark-Cooper (USA)
43161 Magnatrol Valve Corp Div Clark-Cooper (USA)
335506300M02 PRIMARY Magnatrol Valve Corp Div Clark-Cooper (USA)
TV3424-7 Magnatrol Valve Corp Div Clark-Cooper (USA)
Related Parts
2940-00-141-9025INTERCHANGEABLE
FILTER ELEMENT,FLUID
5315-00-276-4347INTERCHANGEABLE
PIN,STRAIGHT,HEADED
0048713
5950-00-449-3738INTERCHANGEABLE
TRANSFORMER,POWER
R259125-1
3110-00-529-9480INTERCHANGEABLE
BEARING,BALL,ANNULAR
5950-00-683-3232INTERCHANGEABLE
TRANSFORMER,POWER
5970-01-071-3394INTERCHANGEABLE
INSULATOR,PLATE
3230-01-269-0529INTERCHANGEABLE
BIT,ROUTER
43161
4810-01-373-7840INTERCHANGEABLE
SEAT,VALVE
43161
5330-01-393-0052INTERCHANGEABLE
GASKET,SPIRAL WOUND
636077 NON-ASBESTOS
4320-01-462-5101INTERCHANGEABLE
SHAFT,TRANSMISSION,PUMP
5995-01-725-2470INTERCHANGEABLE
CABLE ASSEMBLY SET,ELECTRICAL
03161

Frequently Asked Questions

What is NSN 4810-00-343-5998?

NSN 4810-00-343-5998 is a Seat,valve, manufactured by Magnatrol Valve Corp Div Clark-Cooper, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-00-343-5998?

NSN 4810-00-343-5998 has 5 cross-referenced part numbers: 355-07A (Magnatrol Valve Corp Div Clark-Cooper), 03161 (Magnatrol Valve Corp Div Clark-Cooper), 43161 (Magnatrol Valve Corp Div Clark-Cooper), 335506300M02 (Magnatrol Valve Corp Div Clark-Cooper), TV3424-7 (Magnatrol Valve Corp Div Clark-Cooper).

What NSN replaces 4810-00-343-5998?

There are 11 known substitutes for 4810-00-343-5998: 2940-00-141-9025, 5315-00-276-4347, 5950-00-449-3738 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 335506300M02?

Key specifications for 335506300M02: Thread Series Designator: UN SINGLE THREADED PORTION; Material: NICKEL ALLOY OVERALL; Style Designator: THREADED FLANGED; Nominal Thread Size: 1.375 INCHES SINGLE THREADED PORTION IN. 13 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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