PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49003Disk,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-249-6650 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-249-6650 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-249-6650. Primary manufacturer part number: 49003.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL
  • 1 verified cross-reference
  • 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 4820-01-249-6650, 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 1 commercial cross-reference 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
NSN4820-01-249-6650
Primary Part Number49003
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
5965-00-234-733849003 INTERCHANGEABLE
Earphone
Naval Ship Systems Command
5950-00-651-7916695781-3 INTERCHANGEABLE
Transformer,current
Lockheed Martin Corp
4710-01-238-161749003 INTERCHANGEABLE
Tube,metallic
Walker Mfg Co
3895-01-344-8528900-61003 INTERCHANGEABLE
Eye,pulling
T. a. Pelsue Company Dba T a Pelsue Co
1005-01-558-692549003 INTERCHANGEABLE
Follower,cartridge,small Arms
Fn America Llc Div Columbia, Sc
Cross-Reference Index
Part NumberManufacturer
49003 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5965-00-234-7338INTERCHANGEABLE
EARPHONE
49003
5950-00-651-7916INTERCHANGEABLE
TRANSFORMER,CURRENT
695781-3
4710-01-238-1617INTERCHANGEABLE
TUBE,METALLIC
49003
3895-01-344-8528INTERCHANGEABLE
EYE,PULLING
900-61003
1005-01-558-6925INTERCHANGEABLE
FOLLOWER,CARTRIDGE,SMALL ARMS
49003

Frequently Asked Questions

What is NSN 4820-01-249-6650?

NSN 4820-01-249-6650 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 4820-01-249-6650?

NSN 4820-01-249-6650 has 1 cross-referenced part number: 49003 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-249-6650?

There are 5 known substitutes for 4820-01-249-6650: 5965-00-234-7338, 5950-00-651-7916, 4710-01-238-1617 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 49003?

Key specifications for 49003: 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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