PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

324Disk,valve

Lawler Manufacturing Company, Inc. · NSN 4820-00-116-6696 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-116-6696 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-116-6696. Primary manufacturer part number: 324.
Features
  • Disk,valve — FSC 4820
  • Inside Diameter: 0.578 INCHES NOMINAL IN
  • Material: RUBBER
  • Style Designator: PLAIN
  • Outside Diameter: 1.406 INCHES NOMINAL IN
  • Media for Which Designed: WATER, SALT
  • 2 verified cross-references
  • Primary manufacturer: Lawler Manufacturing Company, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-116-6696, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lawler Manufacturing Company, Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-116-6696
Primary Part Number324
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLawler Manufacturing Company, Inc.
StatusACTIVE
Inside Diameter0.578 INCHES NOMINAL IN
MaterialRUBBER
Style DesignatorPLAIN
Outside Diameter1.406 INCHES NOMINAL IN
Media for Which DesignedWATER, SALT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-00-391-569310-00407 INTERCHANGEABLE
Seat,valve
Tyco Fire Products Lp
4820-00-684-4128N-147-4 INTERCHANGEABLE
Disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
MIL-D-17650 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
324 PRIMARY Lawler Manufacturing Company, Inc. (USA)
Related Parts
4820-00-391-5693INTERCHANGEABLE
SEAT,VALVE
10-00407
4820-00-684-4128INTERCHANGEABLE
DISK,VALVE
N-147-4

Frequently Asked Questions

What is NSN 4820-00-116-6696?

NSN 4820-00-116-6696 is a Disk,valve, manufactured by Lawler Manufacturing Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-116-6696?

NSN 4820-00-116-6696 has 2 cross-referenced part numbers: MIL-D-17650 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 324 (Lawler Manufacturing Company, Inc.).

What NSN replaces 4820-00-116-6696?

There are 2 known substitutes for 4820-00-116-6696: 4820-00-391-5693, 4820-00-684-4128. Verify interchangeability with system specifications before substitution.

What are the specifications of 324?

Key specifications for 324: Inside Diameter: 0.578 INCHES NOMINAL IN; Material: RUBBER; Style Designator: PLAIN; Outside Diameter: 1.406 INCHES NOMINAL IN. 6 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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