PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3663Disk,valve

Lawler Manufacturing Company, Inc. · NSN 4820-00-885-2924 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-885-2924 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-885-2924. Primary manufacturer part number: 3663.
Features
  • Disk,valve — FSC 4820
  • Material: RUBBER SYNTHETIC
  • Outside Diameter: 4.875 INCHES NOMINAL IN
  • Media for Which Designed: WATER, SALT
  • Style Designator: PLAIN
  • Pressure Rating: 30.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 70.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Inside Diameter: 3.031 INCHES NOMINAL IN
  • 1 verified cross-reference
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Synthetic construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-885-2924, 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 6 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-885-2924
Primary Part Number3663
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLawler Manufacturing Company, Inc.
StatusACTIVE
MaterialRUBBER SYNTHETIC
Outside Diameter4.875 INCHES NOMINAL IN
Media for Which DesignedWATER, SALT
Style DesignatorPLAIN
Pressure Rating30.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 70.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Inside Diameter3.031 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3020-00-051-72753663 INTERCHANGEABLE
Gear,spur
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
6640-00-061-27943663 INTERCHANGEABLE
Cylinder,graduated,laboratory
Nalge Co Div of Sybron Corp
2540-00-770-0832 INTERCHANGEABLE
Cone
5935-00-795-29323663 INTERCHANGEABLE
Connector,receptacle,electrical
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
5120-01-161-1919 INTERCHANGEABLE
Blade,nutdriver
6750-01-256-90543663 INTERCHANGEABLE
Plate,photographic
Horizons Incorporated Div Imaging Systems Group
6515-01-274-09523663 INTERCHANGEABLE
Bag,ostomy
Hollister Inc
5930-01-416-35353663 INTERCHANGEABLE
Switch,casting Mach
Ticonium Co Div Cmp Industries Inc
5365-01-423-0659 INTERCHANGEABLE
Plug,machine Thread
5310-01-498-81113663 INTERCHANGEABLE
Nut,plain,plate
Amw Cuyuna Engine Co. Inc Dba Two Stroke International
Cross-Reference Index
Part NumberManufacturer
3663 PRIMARY Lawler Manufacturing Company, Inc. (USA)
Related Parts
3020-00-051-7275INTERCHANGEABLE
GEAR,SPUR
3663
6640-00-061-2794INTERCHANGEABLE
CYLINDER,GRADUATED,LABORATORY
3663
2540-00-770-0832INTERCHANGEABLE
CONE
5935-00-795-2932INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3663
5120-01-161-1919INTERCHANGEABLE
BLADE,NUTDRIVER
6750-01-256-9054INTERCHANGEABLE
PLATE,PHOTOGRAPHIC
3663
6515-01-274-0952INTERCHANGEABLE
BAG,OSTOMY
3663
5930-01-416-3535INTERCHANGEABLE
SWITCH,CASTING MACH
3663
5365-01-423-0659INTERCHANGEABLE
PLUG,MACHINE THREAD
5310-01-498-8111INTERCHANGEABLE
NUT,PLAIN,PLATE
3663

Frequently Asked Questions

What is NSN 4820-00-885-2924?

NSN 4820-00-885-2924 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 4820-00-885-2924?

NSN 4820-00-885-2924 has 1 cross-referenced part number: 3663 (Lawler Manufacturing Company, Inc.).

What NSN replaces 4820-00-885-2924?

There are 10 known substitutes for 4820-00-885-2924: 3020-00-051-7275, 6640-00-061-2794, 2540-00-770-0832 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3663?

Key specifications for 3663: Material: RUBBER SYNTHETIC; Outside Diameter: 4.875 INCHES NOMINAL IN; Media for Which Designed: WATER, SALT; Style Designator: PLAIN. 7 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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