PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

85514Seat,valve

Komdresco Canada Inc · NSN 4820-00-036-1983 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1983 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1983. Primary manufacturer part number: 85514.
Features
  • Seat,valve — FSC 4820
  • Thread Series Designator: UNS SINGLE THREADED PORTION
  • Seating Surface Shape: FLAT
  • Nominal Thread Size: 4.688 INCHES SINGLE THREADED PORTION IN
  • Style Designator: PLAIN
  • Material: NICKEL ALLOY OVERALL
  • Thread Quantity Per Inch: 18 SINGLE THREADED PORTION
  • Body Outside Diameter: 4.594 INCHES NOMINAL IN
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 4820-00-036-1983, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Komdresco Canada Inc. Government technical data includes 10 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-036-1983
Primary Part Number85514
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerKomdresco Canada Inc
StatusACTIVE
Thread Series DesignatorUNS SINGLE THREADED PORTION
Seating Surface ShapeFLAT
Nominal Thread Size4.688 INCHES SINGLE THREADED PORTION IN
Style DesignatorPLAIN
MaterialNICKEL ALLOY OVERALL
Thread Quantity Per Inch18 SINGLE THREADED PORTION
Body Outside Diameter4.594 INCHES NOMINAL IN
Thread Length0.687 INCHES NOMINAL SINGLE THREADED PORTION IN
Body Inside Diameter3.875 INCHES NOMINAL IN
Thread Class3A SINGLE THREADED PORTION A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3455-00-455-5459 INTERCHANGEABLE
Cutter Bit,tool Holder
5910-01-010-7555 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
4330-01-230-889585514 INTERCHANGEABLE
Filter Element,fluid
Templeton Kenly and Co Inc
5962-01-249-4957 INTERCHANGEABLE
Microcircuit,linear
5962-01-249-4958 INTERCHANGEABLE
Microcircuit,linear
5331-01-268-08738-5514 INTERCHANGEABLE
O-Ring
Thermal Dynamics Corp
5962-01-342-9811 INTERCHANGEABLE
Microcircuit,linear
5962-01-413-2397 INTERCHANGEABLE
Microcircuit,linear
5962-01-435-3845 INTERCHANGEABLE
Microcircuit,linear
5962-01-488-9273 INTERCHANGEABLE
Microcircuit,linear
Cross-Reference Index
Part NumberManufacturer
85514 Komdresco Canada Inc (CAN)
V-6205H Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse (USA)
85514 Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse (USA)
Related Parts
3455-00-455-5459INTERCHANGEABLE
CUTTER BIT,TOOL HOLDER
5910-01-010-7555INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
4330-01-230-8895INTERCHANGEABLE
FILTER ELEMENT,FLUID
85514
5962-01-249-4957INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-249-4958INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5331-01-268-0873INTERCHANGEABLE
O-RING
8-5514
5962-01-342-9811INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-413-2397INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-435-3845INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-488-9273INTERCHANGEABLE
MICROCIRCUIT,LINEAR

Frequently Asked Questions

What is NSN 4820-00-036-1983?

NSN 4820-00-036-1983 is a Seat,valve, manufactured by Komdresco Canada Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-036-1983?

NSN 4820-00-036-1983 has 3 cross-referenced part numbers: 85514 (Komdresco Canada Inc), V-6205H (Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse), 85514 (Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse).

What NSN replaces 4820-00-036-1983?

There are 10 known substitutes for 4820-00-036-1983: 3455-00-455-5459, 5910-01-010-7555, 4330-01-230-8895 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 85514?

Key specifications for 85514: Thread Series Designator: UNS SINGLE THREADED PORTION; Overall Height: 0.812 INCHES NOMINAL IN; Seating Surface Shape: FLAT; Nominal Thread Size: 4.688 INCHES SINGLE THREADED PORTION IN. 11 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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