PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

150-573YPC208Seat,valve

Hardie-Tynes Co., Inc. · NSN 4810-00-168-8743 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-168-8743 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-168-8743. Primary manufacturer part number: 150-573YPC208.
Features
  • Seat,valve — FSC 4810
  • Flange Seat to Disk End Height: 0.578 INCHES NOMINAL IN
  • Body Outside Diameter: 2.828 INCHES NOMINAL IN
  • Seating Surface Shape: FLAT
  • Style Designator: PLAIN FLANGED
  • Material: STEEL OVERALL
  • Body Inside Diameter: 2.375 INCHES NOMINAL IN
  • Under Flange Height: 0.188 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 4810-00-168-8743, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hardie-Tynes Co., Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 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
NSN4810-00-168-8743
Primary Part Number150-573YPC208
Item NameSeat,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerHardie-Tynes Co., Inc.
StatusACTIVE
Flange Seat to Disk End Height0.578 INCHES NOMINAL IN
Body Outside Diameter2.828 INCHES NOMINAL IN
Seating Surface ShapeFLAT
Style DesignatorPLAIN FLANGED
MaterialSTEEL OVERALL
Body Inside Diameter2.375 INCHES NOMINAL IN
Under Flange Height0.188 INCHES NOMINAL IN
Flange Diameter3.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-0295 INTERCHANGEABLE
Cup,tapered Roller Bearing
3110-00-156-804512Z315-127 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3820-00-282-4943E23096H INTERCHANGEABLE
Drill Rod,rock Drill
Brunner and Lay Inc
5305-00-874-3569 INTERCHANGEABLE
Thumbscrew
3110-01-057-957530208 INTERCHANGEABLE
Bearing,roller,tapered
Fag Bearings Corporation
3110-01-136-356830208 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
4130-01-142-972257856 INTERCHANGEABLE
Filter Element,air Conditioning
Hamilton Sundstrand Corporation
5360-01-266-3344 INTERCHANGEABLE
Spring,helical,compression
5330-01-321-9693 INTERCHANGEABLE
Retainer,seal
5120-01-601-563430208 INTERCHANGEABLE
Vise Block,rifle
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
150-573YPC208 Hardie-Tynes Co., Inc. (USA)
150-570YPC208 Hardie-Tynes Co., Inc. (USA)
150-573KPC208 Hardie-Tynes Co., Inc. (USA)
30-208 Hardie-Tynes Co., Inc. (USA)
150-573HPC208 Hardie-Tynes Co., Inc. (USA)
150-573GPC208 Hardie-Tynes Co., Inc. (USA)
150-570PC208 Hardie-Tynes Co., Inc. (USA)
150-588PC208 Hardie-Tynes Co., Inc. (USA)
150-570KPC208 Hardie-Tynes Co., Inc. (USA)
150-570HPC208 Hardie-Tynes Co., Inc. (USA)
150-570GPC208 Hardie-Tynes Co., Inc. (USA)
150-573PC208 Hardie-Tynes Co., Inc. (USA)
Related Parts
3110-00-100-0295INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
3110-00-156-8045INTERCHANGEABLE
BEARING,BALL,ANNULAR
12Z315-127
3820-00-282-4943INTERCHANGEABLE
DRILL ROD,ROCK DRILL
E23096H
5305-00-874-3569INTERCHANGEABLE
THUMBSCREW
3110-01-057-9575INTERCHANGEABLE
BEARING,ROLLER,TAPERED
30208
3110-01-136-3568INTERCHANGEABLE
BEARING,ROLLER,TAPERED
30208
4130-01-142-9722INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
57856
5360-01-266-3344INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5330-01-321-9693INTERCHANGEABLE
RETAINER,SEAL
5120-01-601-5634INTERCHANGEABLE
VISE BLOCK,RIFLE
30208
5940-01-628-3532INTERCHANGEABLE
TERMINAL,LUG
30208
4720-01-649-2216INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
30208

Frequently Asked Questions

What is NSN 4810-00-168-8743?

NSN 4810-00-168-8743 is a Seat,valve, manufactured by Hardie-Tynes Co., Inc., classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-00-168-8743?

NSN 4810-00-168-8743 has 12 cross-referenced part numbers: 150-573YPC208 (Hardie-Tynes Co., Inc.), 150-570YPC208 (Hardie-Tynes Co., Inc.), 150-573KPC208 (Hardie-Tynes Co., Inc.), 30-208 (Hardie-Tynes Co., Inc.), 150-573HPC208 (Hardie-Tynes Co., Inc.) and 7 more.

What NSN replaces 4810-00-168-8743?

There are 12 known substitutes for 4810-00-168-8743: 3110-00-100-0295, 3110-00-156-8045, 3820-00-282-4943 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 150-573YPC208?

Key specifications for 150-573YPC208: Flange Seat to Disk End Height: 0.578 INCHES NOMINAL IN; Body Outside Diameter: 2.828 INCHES NOMINAL IN; Seating Surface Shape: FLAT; Style Designator: PLAIN FLANGED. 8 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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