PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N54128Disk,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-00-911-8533 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-911-8533 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-911-8533. Primary manufacturer part number: N54128.
Features
  • Disk,valve — FSC 4820
  • Outside Diameter: 3.188 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
  • Style Designator: PLAIN
  • Inside Diameter: 0.875 INCHES NOMINAL IN
  • 2 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 Rubber Synthetic construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-911-8533, 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 4 verified specifications, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-911-8533
Primary Part NumberN54128
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Outside Diameter3.188 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Style DesignatorPLAIN
Inside Diameter0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3455-00-231-3523 INTERCHANGEABLE
Cutter,milling,shell End
6105-00-643-0392D35732PC1TO19,22,74,75,80 INTERCHANGEABLE
Armature,motor
Electric Boat Corporation Div General Dynamics Electric Boat
5340-00-705-33565- 4-128 INTERCHANGEABLE
Clamp,loop
Brady United States
5325-00-984-108054128 INTERCHANGEABLE
Ring,retaining
Hyster-Yale Group, Inc.
5962-01-090-92623279450 INTERCHANGEABLE
Microcircuit,digital
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5962-01-186-9179MIS-34956-1 INTERCHANGEABLE
Microcircuit,digital
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
N54128 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
54128 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
3455-00-231-3523INTERCHANGEABLE
CUTTER,MILLING,SHELL END
6105-00-643-0392INTERCHANGEABLE
ARMATURE,MOTOR
D35732PC1TO19,22,74,75,80
5340-00-705-3356INTERCHANGEABLE
CLAMP,LOOP
5- 4-128
5325-00-984-1080INTERCHANGEABLE
RING,RETAINING
54128
5962-01-090-9262INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
3279450
5962-01-186-9179INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
MIS-34956-1

Frequently Asked Questions

What is NSN 4820-00-911-8533?

NSN 4820-00-911-8533 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 4820-00-911-8533?

NSN 4820-00-911-8533 has 2 cross-referenced part numbers: N54128 (Leslie Controls, Inc. Dba Leslie Controls Inc), 54128 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-00-911-8533?

There are 6 known substitutes for 4820-00-911-8533: 3455-00-231-3523, 6105-00-643-0392, 5340-00-705-3356 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N54128?

Key specifications for N54128: Overall Height: 0.188 INCHES NOMINAL IN; Outside Diameter: 3.188 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC; Style Designator: PLAIN. 5 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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