PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C38466Seat,valve

The Walworth Company · NSN 4820-00-939-8063 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-939-8063 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-939-8063. Primary manufacturer part number: C38466.
Features
  • Seat,valve — FSC 4820
  • Seat Angle in Deg: 45.000 NOMINAL
  • Material: NICKEL ALLOY OVERALL
  • Seating Surface Shape: ANGULAR
  • 4 verified cross-references
  • Primary manufacturer: The Walworth Company
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 4820-00-939-8063, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is The Walworth Company. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-939-8063
Primary Part NumberC38466
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerThe Walworth Company
StatusACTIVE
Seat Angle in Deg45.000 NOMINAL
MaterialNICKEL ALLOY OVERALL
Seating Surface ShapeANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3460-00-224-8584C38466 INTERCHANGEABLE
Arbor,shell Reamer
Kennametal Inc. Div Kennametal Industrial Products Group
6515-01-619-683179-95335 INTERCHANGEABLE
Brace,leg and Foot
Djo Llc
Cross-Reference Index
Part NumberManufacturer
70715028 OR 516 Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
715028 The Walworth Company (USA)
C38466 PRIMARY The Walworth Company (USA)
2620-902PIECE60 The Walworth Company (USA)
Related Parts
3460-00-224-8584INTERCHANGEABLE
ARBOR,SHELL REAMER
C38466
6515-01-619-6831INTERCHANGEABLE
BRACE,LEG AND FOOT
79-95335

Frequently Asked Questions

What is NSN 4820-00-939-8063?

NSN 4820-00-939-8063 is a Seat,valve, manufactured by The Walworth Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-939-8063?

NSN 4820-00-939-8063 has 4 cross-referenced part numbers: 70715028 OR 516 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 715028 (The Walworth Company), C38466 (The Walworth Company), 2620-902PIECE60 (The Walworth Company).

What NSN replaces 4820-00-939-8063?

There are 2 known substitutes for 4820-00-939-8063: 3460-00-224-8584, 6515-01-619-6831. Verify interchangeability with system specifications before substitution.

What are the specifications of C38466?

Key specifications for C38466: Seat Angle in Deg: 45.000 NOMINAL; Material: NICKEL ALLOY OVERALL; Seating Surface Shape: ANGULAR. 3 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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