PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NB219788223Disk,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-256-0788 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-256-0788 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-256-0788. Primary manufacturer part number: NB219788223.
Features
  • Disk,valve — FSC 4820
  • Outside Diameter: 1.250 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • 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 Copper Alloy construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-256-0788, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-256-0788
Primary Part NumberNB219788223
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Outside Diameter1.250 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5342-00-086-588420021163-2 INTERCHANGEABLE
Spring Lh,movable Anvil
Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force
5815-00-922-5797197822 INTERCHANGEABLE
Ring
Telemechanics Inc
2930-01-506-2844197 822 INTERCHANGEABLE
Radiator,engine Coolant
Miller Electric Mfg. Llc
Cross-Reference Index
Part NumberManufacturer
19782-2 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
NB219788223 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5342-00-086-5884INTERCHANGEABLE
SPRING LH,MOVABLE ANVIL
20021163-2
5815-00-922-5797INTERCHANGEABLE
RING
197822
2930-01-506-2844INTERCHANGEABLE
RADIATOR,ENGINE COOLANT
197 822

Frequently Asked Questions

What is NSN 4820-01-256-0788?

NSN 4820-01-256-0788 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 4820-01-256-0788?

NSN 4820-01-256-0788 has 2 cross-referenced part numbers: 19782-2 (Leslie Controls, Inc. Dba Leslie Controls Inc), NB219788223 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-256-0788?

There are 3 known substitutes for 4820-01-256-0788: 5342-00-086-5884, 5815-00-922-5797, 2930-01-506-2844. Verify interchangeability with system specifications before substitution.

What are the specifications of NB219788223?

Key specifications for NB219788223: Outside Diameter: 1.250 INCHES NOMINAL IN; Material: COPPER ALLOY. 2 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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