PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

312278-72Disk,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-268-1512 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-268-1512 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-268-1512. Primary manufacturer part number: 312278-72.
Features
  • Disk,valve — FSC 4820
  • Material: RUBBER CHLOROPRENE CLASS CR
  • Flange Diameter: 1.000 INCHES NOMINAL IN
  • Shank Diameter: 0.438 INCHES NOMINAL IN
  • Style Designator: POPPET
  • 4 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 Chloroprene Class Cr construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-268-1512, 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 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-268-1512
Primary Part Number312278-72
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
MaterialRUBBER CHLOROPRENE CLASS CR
Flange Diameter1.000 INCHES NOMINAL IN
Shank Diameter0.438 INCHES NOMINAL IN
Style DesignatorPOPPET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
1355-00-024-89951227872 INTERCHANGEABLE
Cover Assembly,well
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5360-00-291-1203A1254 INTERCHANGEABLE
Spring,helical,compression
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
4820-00-463-254112278-72 INTERCHANGEABLE
Disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-194-0175YB2312C222 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-260-8416NB31956772 INTERCHANGEABLE
Diaphragm,valve,flat
Leslie Controls, Inc. Dba Leslie Controls Inc
4810-01-297-935031227872 INTERCHANGEABLE
Seat,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-357-874130-1/2IN 90T150PSI INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-398-2065N-524 X N-618 1/2 10 T 26 PSI INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
N-524-4 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N-524 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
312278-72 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
12278-72 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
1355-00-024-8995INTERCHANGEABLE
COVER ASSEMBLY,WELL
1227872
5360-00-291-1203INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A1254
4820-00-463-2541INTERCHANGEABLE
DISK,VALVE
12278-72
4820-01-194-0175INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
YB2312C222
4820-01-260-8416INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
NB31956772
4810-01-297-9350INTERCHANGEABLE
SEAT,VALVE
31227872
4820-01-357-8741INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
30-1/2IN 90T150PSI
4820-01-398-2065INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
N-524 X N-618 1/2 10 T 26 PSI

Frequently Asked Questions

What is NSN 4820-01-268-1512?

NSN 4820-01-268-1512 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 4820-01-268-1512?

NSN 4820-01-268-1512 has 4 cross-referenced part numbers: N-524-4 (Leslie Controls, Inc. Dba Leslie Controls Inc), N-524 (Leslie Controls, Inc. Dba Leslie Controls Inc), 312278-72 (Leslie Controls, Inc. Dba Leslie Controls Inc), 12278-72 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-268-1512?

There are 8 known substitutes for 4820-01-268-1512: 1355-00-024-8995, 5360-00-291-1203, 4820-00-463-2541 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 312278-72?

Key specifications for 312278-72: Material: RUBBER CHLOROPRENE CLASS CR; Flange Diameter: 1.000 INCHES NOMINAL IN; Overall Height: 0.188 INCHES NOMINAL IN; Shank Diameter: 0.438 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com