PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26186Seat,valve

Avox Systems Inc Dba Avox Systems Inc · NSN 4820-00-736-8180 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-736-8180 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-736-8180. Primary manufacturer part number: 26186.
Features
  • Seat,valve — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Avox Systems Inc Dba Avox Systems Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-736-8180, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersAvox Systems Inc Dba Avox Systems Inc (CAGE 53655)
Technical Specifications
ParameterValue
NSN4820-00-736-8180
Primary Part Number26186
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5985-00-145-34782-6186 INTERCHANGEABLE
Mixer,crystal,coaxial
Spectrum Microwave, Inc.
5360-00-278-022126186 INTERCHANGEABLE
Spring,anchor
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
3805-00-968-686426186 INTERCHANGEABLE
Cutting Edge,scoop,loader
Cnh Industrial America Llc Dba Cnh America
6720-01-580-246426186 INTERCHANGEABLE
Camera System,digital
Nikon Inc Dba Nikon Americas Inc
4730-01-680-332826186 INTERCHANGEABLE
Manifold Assembly,hydraulic
J.w.f. Technologies, Llc
5330-01-685-717626186 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
Cross-Reference Index
Part NumberManufacturer
26186 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
5985-00-145-3478INTERCHANGEABLE
MIXER,CRYSTAL,COAXIAL
2-6186
5360-00-278-0221INTERCHANGEABLE
SPRING,ANCHOR
26186
3805-00-968-6864INTERCHANGEABLE
CUTTING EDGE,SCOOP,LOADER
26186
6720-01-580-2464INTERCHANGEABLE
CAMERA SYSTEM,DIGITAL
26186
4730-01-680-3328INTERCHANGEABLE
MANIFOLD ASSEMBLY,HYDRAULIC
26186
5330-01-685-7176INTERCHANGEABLE
SEAL,PLAIN ENCASED
26186

Frequently Asked Questions

What is NSN 4820-00-736-8180?

NSN 4820-00-736-8180 is a Seat,valve, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-736-8180?

NSN 4820-00-736-8180 has 1 cross-referenced part number: 26186 (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 4820-00-736-8180?

There are 6 known substitutes for 4820-00-736-8180: 5985-00-145-3478, 5360-00-278-0221, 3805-00-968-6864 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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