PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

605-282Seat,valve

The Walworth Company · NSN 4820-00-316-4075 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-316-4075 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-316-4075. Primary manufacturer part number: 605-282.
Features
  • Seat,valve — FSC 4820
  • Body Inside Diameter: 3.882 INCHES NOMINAL IN
  • Seating Surface Shape: ANGULAR
  • Material: STEEL OVERALL
  • Style Designator: PLAIN
  • Seat Angle in Deg: 12.000 NOMINAL
  • Body Outside Diameter: 4.500 INCHES NOMINAL IN
  • 3 verified cross-references
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 4820-00-316-4075, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-316-4075
Primary Part Number605-282
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerThe Walworth Company
StatusACTIVE
Body Inside Diameter3.882 INCHES NOMINAL IN
Seating Surface ShapeANGULAR
MaterialSTEEL OVERALL
Style DesignatorPLAIN
Seat Angle in Deg12.000 NOMINAL
Body Outside Diameter4.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
9540-00-288-1151 INTERCHANGEABLE
Beam,structural
Cross-Reference Index
Part NumberManufacturer
605-282 PRIMARY The Walworth Company (USA)
9698-137-1 Walworth Co the (USA)
9698-137-1 The Walworth Company (USA)
Related Parts
9540-00-288-1151INTERCHANGEABLE
BEAM,STRUCTURAL

Frequently Asked Questions

What is NSN 4820-00-316-4075?

NSN 4820-00-316-4075 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 4820-00-316-4075?

NSN 4820-00-316-4075 has 3 cross-referenced part numbers: 605-282 (The Walworth Company), 9698-137-1 (Walworth Co the), 9698-137-1 (The Walworth Company).

What NSN replaces 4820-00-316-4075?

There is 1 known substitute for 4820-00-316-4075: 9540-00-288-1151. Verify interchangeability with system specifications before substitution.

What are the specifications of 605-282?

Key specifications for 605-282: Body Inside Diameter: 3.882 INCHES NOMINAL IN; Seating Surface Shape: ANGULAR; Material: STEEL OVERALL; Overall Height: 0.635 INCHES NOMINAL IN. 7 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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