PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

89074Seat,valve

Ashcroft Inc Dba Heise · NSN 4820-00-036-2048 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-2048 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-2048. Primary manufacturer part number: 89074.
Features
  • Seat,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Ashcroft Inc Dba Heise
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-036-2048, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-036-2048
Primary Part Number89074
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-144-8718102668-610 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5815-00-160-005989074 INTERCHANGEABLE
Screw,adjustment
Telemechanics Inc
5935-00-222-97398083 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Eby Group, Llc, the Dba Eby Company Div Eby Company
5950-00-433-782889074 INTERCHANGEABLE
Reactor
Hammond Mfg Co Ltd
5935-01-459-713389074GBESR INTERCHANGEABLE
Connector,receptacle,electrical
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
Cross-Reference Index
Part NumberManufacturer
89074 PRIMARY Ashcroft Inc Dba Heise (USA)
89074 Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse (USA)
Related Parts
3110-00-144-8718INTERCHANGEABLE
BEARING,BALL,ANNULAR
102668-610
5815-00-160-0059INTERCHANGEABLE
SCREW,ADJUSTMENT
89074
5935-00-222-9739INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
8083
5950-00-433-7828INTERCHANGEABLE
REACTOR
89074
5935-01-459-7133INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
89074GBESR

Frequently Asked Questions

What is NSN 4820-00-036-2048?

NSN 4820-00-036-2048 is a Seat,valve, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-036-2048?

NSN 4820-00-036-2048 has 2 cross-referenced part numbers: 89074 (Ashcroft Inc Dba Heise), 89074 (Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse).

What NSN replaces 4820-00-036-2048?

There are 5 known substitutes for 4820-00-036-2048: 3110-00-144-8718, 5815-00-160-0059, 5935-00-222-9739 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 89074?

Key specifications for 89074: Material: STEEL CORROSION RESISTING OVERALL. 1 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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