PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

402727Seat,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-392-8663 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-392-8663 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-392-8663. Primary manufacturer part number: 402727.
Features
  • Seat,valve — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-392-8663, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-392-8663
Primary Part Number402727
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
9390-01-082-7815402727 INTERCHANGEABLE
Wick
Lucent Technologies Inc Corporate Headquarters
5962-01-110-7284 INTERCHANGEABLE
Microcircuit,linear
5962-01-129-3859369702 INTERCHANGEABLE
Microcircuit,digital
Fluke Corp
Cross-Reference Index
Part NumberManufacturer
402727 Circor Intl Inc (USA)
31430N ITEM 30 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
402727 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
2498-00-300 2.5IN,TY I, ITEM 30 Circor Intl Inc (USA)
Related Parts
9390-01-082-7815INTERCHANGEABLE
WICK
402727
5962-01-110-7284INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-129-3859INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
369702

Frequently Asked Questions

What is NSN 4820-01-392-8663?

NSN 4820-01-392-8663 is a Seat,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-392-8663?

NSN 4820-01-392-8663 has 4 cross-referenced part numbers: 402727 (Circor Intl Inc), 31430N ITEM 30 (Leslie Controls, Inc. Dba Leslie Controls Inc), 402727 (Leslie Controls, Inc. Dba Leslie Controls Inc), 2498-00-300 2.5IN,TY I, ITEM 30 (Circor Intl Inc).

What NSN replaces 4820-01-392-8663?

There are 3 known substitutes for 4820-01-392-8663: 9390-01-082-7815, 5962-01-110-7284, 5962-01-129-3859. Verify interchangeability with system specifications before substitution.

What are the specifications of 402727?

Key specifications for 402727: End Item Identification: 2.5IN. BUTTERFLY VALVE IAW MIL-V-2462, TY I, STYLE A IN. 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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