PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A40453Disk,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-202-0811 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-202-0811 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-202-0811. Primary manufacturer part number: A40453.
Features
  • Disk,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 Disk,valve, cataloged under National Stock Number 4820-01-202-0811, 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 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-202-0811
Primary Part NumberA40453
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3455-00-254-846213520 INTERCHANGEABLE
Cutter,milling,convex
Niagara Cutter Inc
5977-00-296-32405265482 INTERCHANGEABLE
Brush,electrical Contact
U S Army Tank Automotive Command Amsta-Im-Mm
4240-00-300-6988S9300-921868PC37 INTERCHANGEABLE
Plate,pressure
Naval Ship Systems Command
5935-00-763-8080467042-1 INTERCHANGEABLE
Connector,plug,electrical
Raytheon Company Dba Raytheon Co
5310-01-113-576131243 INTERCHANGEABLE
Washer,flat
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
2920-01-145-035131-243 INTERCHANGEABLE
Switch,lock,ignition
Pollak Joseph Corp
6130-01-386-4823 INTERCHANGEABLE
Power Supply
Cross-Reference Index
Part NumberManufacturer
19198N PIECE 6 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
40453 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
A40453 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
31243 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
3455-00-254-8462INTERCHANGEABLE
CUTTER,MILLING,CONVEX
13520
5977-00-296-3240INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5265482
4240-00-300-6988INTERCHANGEABLE
PLATE,PRESSURE
S9300-921868PC37
5935-00-763-8080INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
467042-1
5310-01-113-5761INTERCHANGEABLE
WASHER,FLAT
31243
2920-01-145-0351INTERCHANGEABLE
SWITCH,LOCK,IGNITION
31-243
6130-01-386-4823INTERCHANGEABLE
POWER SUPPLY

Frequently Asked Questions

What is NSN 4820-01-202-0811?

NSN 4820-01-202-0811 is a Disk,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 4820-01-202-0811?

NSN 4820-01-202-0811 has 4 cross-referenced part numbers: 19198N PIECE 6 (Leslie Controls, Inc. Dba Leslie Controls Inc), 40453 (Leslie Controls, Inc. Dba Leslie Controls Inc), A40453 (Leslie Controls, Inc. Dba Leslie Controls Inc), 31243 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-202-0811?

There are 7 known substitutes for 4820-01-202-0811: 3455-00-254-8462, 5977-00-296-3240, 4240-00-300-6988 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A40453?

Key specifications for A40453: End Item Identification: VALVE DPHRM CONT PLT OPER. 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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