PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CVB41-S4901-19ALT2PC197Seat,valve

Naval Ship Systems Command · NSN 4810-00-168-8739 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-168-8739 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-168-8739. Primary manufacturer part number: CVB41-S4901-19ALT2PC197.
Features
  • Seat,valve — FSC 4810
  • Under Flange Height: 0.219 INCHES NOMINAL IN
  • Seating Surface Shape: FLAT
  • Style Designator: PLAIN FLANGED
  • Material: STEEL OVERALL
  • Flange Seat to Disk End Height: 0.406 INCHES NOMINAL IN
  • Body Outside Diameter: 2.984 INCHES NOMINAL IN
  • Body Inside Diameter: 2.625 INCHES MINIMUM AND 2.750 INCHES MAXIMUM 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 4810-00-168-8739, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-00-168-8739
Primary Part NumberCVB41-S4901-19ALT2PC197
Item NameSeat,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Under Flange Height0.219 INCHES NOMINAL IN
Seating Surface ShapeFLAT
Style DesignatorPLAIN FLANGED
MaterialSTEEL OVERALL
Flange Seat to Disk End Height0.406 INCHES NOMINAL IN
Body Outside Diameter2.984 INCHES NOMINAL IN
Body Inside Diameter2.625 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN
Flange Diameter3.344 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5930-00-067-6515 INTERCHANGEABLE
Switch,pressure
3110-00-100-058716263 INTERCHANGEABLE
Cup,tapered Roller Bearing
Harbormaster Marine, Inc
6105-01-407-1109 INTERCHANGEABLE
Armature-Rotor Assembly
6350-01-667-1212 INTERCHANGEABLE
Alarm,liquid,automatic
Cross-Reference Index
Part NumberManufacturer
150-573PC197 Hardie-Tynes Co., Inc. (USA)
150-570HPC197 Hardie-Tynes Co., Inc. (USA)
150-573YPC197 Hardie-Tynes Co., Inc. (USA)
150-573KPC197 Hardie-Tynes Co., Inc. (USA)
150-570GPC197 Hardie-Tynes Co., Inc. (USA)
30-197 Hardie-Tynes Co., Inc. (USA)
CVB41-S4901-19ALT2PC197 PRIMARY Naval Ship Systems Command (USA)
150-570YPC197 Hardie-Tynes Co., Inc. (USA)
150-573HPC197 Hardie-Tynes Co., Inc. (USA)
150-57KPC197 Hardie-Tynes Co., Inc. (USA)
150-588PC197 Hardie-Tynes Co., Inc. (USA)
150-573GPC197 Hardie-Tynes Co., Inc. (USA)
Related Parts
5930-00-067-6515INTERCHANGEABLE
SWITCH,PRESSURE
3110-00-100-0587INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
16263
6105-01-407-1109INTERCHANGEABLE
ARMATURE-ROTOR ASSEMBLY
6350-01-667-1212INTERCHANGEABLE
ALARM,LIQUID,AUTOMATIC

Frequently Asked Questions

What is NSN 4810-00-168-8739?

NSN 4810-00-168-8739 is a Seat,valve, manufactured by Naval Ship Systems Command, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-00-168-8739?

NSN 4810-00-168-8739 has 12 cross-referenced part numbers: 150-573PC197 (Hardie-Tynes Co., Inc.), 150-570HPC197 (Hardie-Tynes Co., Inc.), 150-573YPC197 (Hardie-Tynes Co., Inc.), 150-573KPC197 (Hardie-Tynes Co., Inc.), 150-570GPC197 (Hardie-Tynes Co., Inc.) and 7 more.

What NSN replaces 4810-00-168-8739?

There are 4 known substitutes for 4810-00-168-8739: 5930-00-067-6515, 3110-00-100-0587, 6105-01-407-1109 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CVB41-S4901-19ALT2PC197?

Key specifications for CVB41-S4901-19ALT2PC197: Under Flange Height: 0.219 INCHES NOMINAL IN; Seating Surface Shape: FLAT; Style Designator: PLAIN FLANGED; Material: STEEL OVERALL. 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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