PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A64020Seat,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-327-4961 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-327-4961 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-327-4961. Primary manufacturer part number: A64020.
Features
  • Seat,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING OVERALL
  • 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
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-327-4961, 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. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-327-4961
Primary Part NumberA64020
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3120-00-147-627264019 INTERCHANGEABLE
Bushing,crankshaft
Eaton Aerospace, Llc Dba Jackson South
5940-00-177-6610GT805EM1 INTERCHANGEABLE
Terminal,lug
Northrop Grumman Systems Corporation
5915-00-500-99902920137-19 INTERCHANGEABLE
Filter,band Pass
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5915-00-500-99912920137-20 INTERCHANGEABLE
Filter,band Pass
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4730-01-191-9701611020 INTERCHANGEABLE
Clamp,hose
Tridon Tennessee Inc
5340-01-395-509158869-47 INTERCHANGEABLE
Standoff,threaded,spacing
Hamilton Sundstrand Corporation
5950-01-462-535864-020 INTERCHANGEABLE
Transformer,power
Rapid Power Technologies Inc
5935-01-506-533264020 INTERCHANGEABLE
Connector,plug,electrical
Thales Defense & Security Inc Dba Thales Communications Inc
5340-01-561-603164020 INTERCHANGEABLE
Lock,office Machine
Acco Brands, Inc. Dba Kensington Technology Group
6145-01-654-590964020 INTERCHANGEABLE
Cable,power,electrical
Viavi Solutionsllc
Cross-Reference Index
Part NumberManufacturer
A64020 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
10/8.4.1 PART 42 1-1/4IN. Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
64019 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
64020 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
3120-00-147-6272INTERCHANGEABLE
BUSHING,CRANKSHAFT
64019
5940-00-177-6610INTERCHANGEABLE
TERMINAL,LUG
GT805EM1
5915-00-500-9990INTERCHANGEABLE
FILTER,BAND PASS
2920137-19
5915-00-500-9991INTERCHANGEABLE
FILTER,BAND PASS
2920137-20
4730-01-191-9701INTERCHANGEABLE
CLAMP,HOSE
611020
5340-01-395-5091INTERCHANGEABLE
STANDOFF,THREADED,SPACING
58869-47
5950-01-462-5358INTERCHANGEABLE
TRANSFORMER,POWER
64-020
5935-01-506-5332INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
64020
5340-01-561-6031INTERCHANGEABLE
LOCK,OFFICE MACHINE
64020
6145-01-654-5909INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
64020
4730-01-663-4320INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
64320
5975-01-678-1898INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT

Frequently Asked Questions

What is NSN 4820-01-327-4961?

NSN 4820-01-327-4961 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 4820-01-327-4961?

NSN 4820-01-327-4961 has 4 cross-referenced part numbers: A64020 (Leslie Controls, Inc. Dba Leslie Controls Inc), 10/8.4.1 PART 42 1-1/4IN. (Leslie Controls, Inc. Dba Leslie Controls Inc), 64019 (Leslie Controls, Inc. Dba Leslie Controls Inc), 64020 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-327-4961?

There are 12 known substitutes for 4820-01-327-4961: 3120-00-147-6272, 5940-00-177-6610, 5915-00-500-9990 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A64020?

Key specifications for A64020: 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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