PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

V3564Seat,valve

Tyco Fire Products Lp · NSN 4820-00-834-4682 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-834-4682 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-834-4682. Primary manufacturer part number: V3564.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: ANGULAR
  • Body Outside Diameter: 4.993 INCHES MINIMUM AND 4.998 INCHES MAXIMUM IN
  • Material: PLASTIC POLYAMIDE NYLON OVERALL
  • Body Inside Diameter: 3.495 INCHES MINIMUM AND 3.505 INCHES MAXIMUM IN
  • Style Designator: PLAIN
  • Seat Angle in Deg: 45.000 NOMINAL
  • 9 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-834-4682, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tyco Fire Products Lp. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 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
NSN4820-00-834-4682
Primary Part NumberV3564
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTyco Fire Products Lp
StatusACTIVE
Seating Surface ShapeANGULAR
Body Outside Diameter4.993 INCHES MINIMUM AND 4.998 INCHES MAXIMUM IN
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Body Inside Diameter3.495 INCHES MINIMUM AND 3.505 INCHES MAXIMUM IN
Style DesignatorPLAIN
Seat Angle in Deg45.000 NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5133-00-189-9325 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
V3564 PRIMARY Tyco Fire Products Lp (USA)
20-03572PC4 Tyco Fire Products Lp (USA)
V3384PC4 Tyco Fire Products Lp (USA)
V3282PC4 Tyco Fire Products Lp (USA)
20-03384PC4 Tyco Fire Products Lp (USA)
20-03282PC4 Tyco Fire Products Lp (USA)
20-03564 Tyco Fire Products Lp (USA)
V3564 Portland Valve Llc (USA)
V3572PC4 Tyco Fire Products Lp (USA)
Related Parts
5133-00-189-9325INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 4820-00-834-4682?

NSN 4820-00-834-4682 is a Seat,valve, manufactured by Tyco Fire Products Lp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-834-4682?

NSN 4820-00-834-4682 has 9 cross-referenced part numbers: V3564 (Tyco Fire Products Lp), 20-03572PC4 (Tyco Fire Products Lp), V3384PC4 (Tyco Fire Products Lp), V3282PC4 (Tyco Fire Products Lp), 20-03384PC4 (Tyco Fire Products Lp) and 4 more.

What NSN replaces 4820-00-834-4682?

There is 1 known substitute for 4820-00-834-4682: 5133-00-189-9325. Verify interchangeability with system specifications before substitution.

What are the specifications of V3564?

Key specifications for V3564: Seating Surface Shape: ANGULAR; Body Outside Diameter: 4.993 INCHES MINIMUM AND 4.998 INCHES MAXIMUM IN; Material: PLASTIC POLYAMIDE NYLON OVERALL; Body Inside Diameter: 3.495 INCHES MINIMUM AND 3.505 INCHES MAXIMUM 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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