PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N33943Disk,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-249-6649 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-249-6649 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-249-6649. Primary manufacturer part number: N33943.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL
  • 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 construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-249-6649, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-249-6649
Primary Part NumberN33943
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5133-00-051-5750 INTERCHANGEABLE
Drill,twist
2910-00-764-68852A6377 INTERCHANGEABLE
Filter Element,fluid
Napco International Llc Dba Napco International Inc
5905-00-915-1419308-0060-00 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Tektronix, Inc.
4820-01-035-832433943 INTERCHANGEABLE
Disk,valve
Mueller Co
4820-01-165-38403394-3 INTERCHANGEABLE
Gland Assembly,valv
Flowserve Corporation Div Flowserve Us Inc
Cross-Reference Index
Part NumberManufacturer
33943 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N33943 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5133-00-051-5750INTERCHANGEABLE
DRILL,TWIST
2910-00-764-6885INTERCHANGEABLE
FILTER ELEMENT,FLUID
2A6377
5905-00-915-1419INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
308-0060-00
4820-01-035-8324INTERCHANGEABLE
DISK,VALVE
33943
4820-01-165-3840INTERCHANGEABLE
GLAND ASSEMBLY,VALV
3394-3

Frequently Asked Questions

What is NSN 4820-01-249-6649?

NSN 4820-01-249-6649 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 4820-01-249-6649?

NSN 4820-01-249-6649 has 2 cross-referenced part numbers: 33943 (Leslie Controls, Inc. Dba Leslie Controls Inc), N33943 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-249-6649?

There are 5 known substitutes for 4820-01-249-6649: 5133-00-051-5750, 2910-00-764-6885, 5905-00-915-1419 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N33943?

Key specifications for N33943: Material: STEEL. 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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