PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16303Disk,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-00-306-1325 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-306-1325 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-306-1325. Primary manufacturer part number: 16303.
Features
  • Disk,valve — FSC 4820
  • Flange Seat to Disk End Height: 2.234 INCHES NOMINAL IN
  • Flange Diameter: 1.500 INCHES NOMINAL IN
  • Material: STEEL
  • Shank Diameter: 0.718 INCHES NOMINAL IN
  • 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 4820-00-306-1325, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-306-1325
Primary Part Number16303
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Flange Seat to Disk End Height2.234 INCHES NOMINAL IN
Flange Diameter1.500 INCHES NOMINAL IN
MaterialSTEEL
Shank Diameter0.718 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3455-00-243-217911880 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
6640-00-328-9001 INTERCHANGEABLE
Hood,fume,laboratory
5935-00-371-0523 INTERCHANGEABLE
Connector,receptacle,electrical
4730-00-921-32450716-MM5-BB13 INTERCHANGEABLE
Elbow,pipe to Tube
The Shyft Group Usa, Inc Dba the Shyft Group Usa, Inc
5996-00-938-644216303 INTERCHANGEABLE
Amplifier Assembly
Custom Metering Company Inc
4720-01-065-2699 INTERCHANGEABLE
Hose,nonmetallic
5330-01-092-51961-630-3 INTERCHANGEABLE
Packing Material
Tate Andale, Llc
7025-01-616-165316303 INTERCHANGEABLE
Interface Unit,data Transfer
Extreme Networks, Inc
5330-01-624-156416303 INTERCHANGEABLE
Packing,preformed
Teledyne Flir Unmanned Ground Systems, Inc
Cross-Reference Index
Part NumberManufacturer
16303 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
3455-00-243-2179INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11880
6640-00-328-9001INTERCHANGEABLE
HOOD,FUME,LABORATORY
5935-00-371-0523INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
4730-00-921-3245INTERCHANGEABLE
ELBOW,PIPE TO TUBE
0716-MM5-BB13
5996-00-938-6442INTERCHANGEABLE
AMPLIFIER ASSEMBLY
16303
4720-01-065-2699INTERCHANGEABLE
HOSE,NONMETALLIC
5330-01-092-5196INTERCHANGEABLE
PACKING MATERIAL
1-630-3
7025-01-616-1653INTERCHANGEABLE
INTERFACE UNIT,DATA TRANSFER
16303
5330-01-624-1564INTERCHANGEABLE
PACKING,PREFORMED
16303

Frequently Asked Questions

What is NSN 4820-00-306-1325?

NSN 4820-00-306-1325 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 4820-00-306-1325?

NSN 4820-00-306-1325 has 1 cross-referenced part number: 16303 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-00-306-1325?

There are 9 known substitutes for 4820-00-306-1325: 3455-00-243-2179, 6640-00-328-9001, 5935-00-371-0523 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16303?

Key specifications for 16303: Flange Seat to Disk End Height: 2.234 INCHES NOMINAL IN; Flange Diameter: 1.500 INCHES NOMINAL IN; Material: STEEL; Overall Height: 5.070 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.
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