PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A65175Disk,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-250-8565 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-250-8565 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-250-8565. Primary manufacturer part number: A65175.
Features
  • Disk,valve — FSC 4820
  • Criticality Code Justification: FEAT
  • Material: STEEL CORROSION RESISTING
  • 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 Steel Corrosion Resisting construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-250-8565, 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 2 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
NSN4820-01-250-8565
Primary Part NumberA65175
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Criticality Code JustificationFEAT
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4520-00-203-08585382 INTERCHANGEABLE
Heating Element,electrical,nonim
Cox & Company, Inc. Dba Cox & Co Inc
4140-00-227-8228272261 INTERCHANGEABLE
Guard,fan Impeller
Rotron Incorporated
4140-00-462-846511150979 INTERCHANGEABLE
Guard,fan Impeller
Us Army Aviation and Missile Command
5330-00-814-6675600-0102-3/8 INTERCHANGEABLE
Packing with Retainer
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
4730-01-016-4456 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4320-01-302-8575 INTERCHANGEABLE
Pump,axial Pistons
Cross-Reference Index
Part NumberManufacturer
A65175 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
65175 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
4520-00-203-0858INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
5382
4140-00-227-8228INTERCHANGEABLE
GUARD,FAN IMPELLER
272261
4140-00-462-8465INTERCHANGEABLE
GUARD,FAN IMPELLER
11150979
5330-00-814-6675INTERCHANGEABLE
PACKING WITH RETAINER
600-0102-3/8
4730-01-016-4456INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4320-01-302-8575INTERCHANGEABLE
PUMP,AXIAL PISTONS

Frequently Asked Questions

What is NSN 4820-01-250-8565?

NSN 4820-01-250-8565 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 4820-01-250-8565?

NSN 4820-01-250-8565 has 2 cross-referenced part numbers: A65175 (Leslie Controls, Inc. Dba Leslie Controls Inc), 65175 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-250-8565?

There are 6 known substitutes for 4820-01-250-8565: 4520-00-203-0858, 4140-00-227-8228, 4140-00-462-8465 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A65175?

Key specifications for A65175: End Item Identification: MARS CLASS AFS; Special Features: WEAPON SYSTEM ESSENTIAL; Criticality Code Justification: FEAT; Material: STEEL CORROSION RESISTING. 4 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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