PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8086 PIECE 3Seat,valve

William E Williams Valve Corp · NSN 4820-01-199-7922 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-199-7922 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-199-7922. Primary manufacturer part number: 8086 PIECE 3.
Features
  • Seat,valve — FSC 4820
  • Material: STEEL OVERALL
  • 2 verified cross-references
  • Primary manufacturer: William E Williams Valve Corp
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 4820-01-199-7922, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is William E Williams Valve Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-199-7922
Primary Part Number8086 PIECE 3
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam E Williams Valve Corp
StatusACTIVE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5342-00-149-23708086 INTERCHANGEABLE
Retainer
Eaton Aerospace, Llc Dba Jackson South
5930-00-755-237957A146B6 INTERCHANGEABLE
Switch,toggle
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5310-01-077-366524364 INTERCHANGEABLE
Washer
American Bristol Industries Inc.
5962-01-118-8549 INTERCHANGEABLE
Microcircuit,digital
6625-01-194-7662 INTERCHANGEABLE
Absorber,radio Frequency Radiati
7030-01-247-2102 INTERCHANGEABLE
Software
5305-01-249-98188086 INTERCHANGEABLE
Screw,adjusting,rel
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
6625-01-327-21088086 INTERCHANGEABLE
Probe,test
Fluke Corp
8415-01-507-1003 INTERCHANGEABLE
Gloves,cold Weather
6110-01-519-6880 INTERCHANGEABLE
Panel,power Distribution
Cross-Reference Index
Part NumberManufacturer
8086 William E Williams Valve Corp (USA)
8086 PIECE 3 PRIMARY William E Williams Valve Corp (USA)
Related Parts
5342-00-149-2370INTERCHANGEABLE
RETAINER
8086
5930-00-755-2379INTERCHANGEABLE
SWITCH,TOGGLE
57A146B6
5310-01-077-3665INTERCHANGEABLE
WASHER
24364
5962-01-118-8549INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
6625-01-194-7662INTERCHANGEABLE
ABSORBER,RADIO FREQUENCY RADIATI
7030-01-247-2102INTERCHANGEABLE
SOFTWARE
5305-01-249-9818INTERCHANGEABLE
SCREW,ADJUSTING,REL
8086
6625-01-327-2108INTERCHANGEABLE
PROBE,TEST
8086
8415-01-507-1003INTERCHANGEABLE
GLOVES,COLD WEATHER
6110-01-519-6880INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
5915-01-541-3804INTERCHANGEABLE
FILTER,BAND PASS

Frequently Asked Questions

What is NSN 4820-01-199-7922?

NSN 4820-01-199-7922 is a Seat,valve, manufactured by William E Williams Valve Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-199-7922?

NSN 4820-01-199-7922 has 2 cross-referenced part numbers: 8086 (William E Williams Valve Corp), 8086 PIECE 3 (William E Williams Valve Corp).

What NSN replaces 4820-01-199-7922?

There are 11 known substitutes for 4820-01-199-7922: 5342-00-149-2370, 5930-00-755-2379, 5310-01-077-3665 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8086 PIECE 3?

Key specifications for 8086 PIECE 3: Material: STEEL 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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