PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5974Disk,valve

Lawler Manufacturing Company, Inc. · NSN 4820-00-595-4418 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-595-4418 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-595-4418. Primary manufacturer part number: 5974.
Features
  • Disk,valve — FSC 4820
  • Outside Diameter: 3.688 INCHES NOMINAL IN
  • Inside Diameter: 2.375 INCHES NOMINAL IN
  • Material: RUBBER
  • Style Designator: PLAIN
  • 3 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 4820-00-595-4418, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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
NSN4820-00-595-4418
Primary Part Number5974
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLawler Manufacturing Company, Inc.
StatusACTIVE
Outside Diameter3.688 INCHES NOMINAL IN
Inside Diameter2.375 INCHES NOMINAL IN
MaterialRUBBER
Style DesignatorPLAIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6625-00-135-2737 INTERCHANGEABLE
Ammeter
3040-00-371-5003005974 INTERCHANGEABLE
Shaft,straight
Caterpillar Inc Div Caterpillar Defense
7320-00-390-15215974 INTERCHANGEABLE
Plate,shredder
Middleby Marshall Inc Conveyor Ovens and Mixers Div
6240-00-944-1266 INTERCHANGEABLE
Lamp,incandescent
5330-01-035-09475974 INTERCHANGEABLE
Gasket
Megator Corp
4710-01-387-80755974-G501 INTERCHANGEABLE
Pipe,bent,metallic
Howell Laboratories Inc Dba Howell Laboratories Inc
4710-01-432-1274 INTERCHANGEABLE
Pipe,metallic
9515-01-651-609505974 INTERCHANGEABLE
Sheet,metal
Horizons Incorporated Div Imaging Systems Group
5120-01-682-77965974 INTERCHANGEABLE
Pliers,wire Twister
U.s. Ordnance
Cross-Reference Index
Part NumberManufacturer
5974-00 Lawler Manufacturing Company, Inc. (USA)
71997PC26 Lawler Manufacturing Company, Inc. (USA)
5974 PRIMARY Lawler Manufacturing Company, Inc. (USA)
Related Parts
6625-00-135-2737INTERCHANGEABLE
AMMETER
3040-00-371-5003INTERCHANGEABLE
SHAFT,STRAIGHT
005974
7320-00-390-1521INTERCHANGEABLE
PLATE,SHREDDER
5974
6240-00-944-1266INTERCHANGEABLE
LAMP,INCANDESCENT
5330-01-035-0947INTERCHANGEABLE
GASKET
5974
4710-01-387-8075INTERCHANGEABLE
PIPE,BENT,METALLIC
5974-G501
4710-01-432-1274INTERCHANGEABLE
PIPE,METALLIC
9515-01-651-6095INTERCHANGEABLE
SHEET,METAL
05974
5120-01-682-7796INTERCHANGEABLE
PLIERS,WIRE TWISTER
5974

Frequently Asked Questions

What is NSN 4820-00-595-4418?

NSN 4820-00-595-4418 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 4820-00-595-4418?

NSN 4820-00-595-4418 has 3 cross-referenced part numbers: 5974-00 (Lawler Manufacturing Company, Inc.), 71997PC26 (Lawler Manufacturing Company, Inc.), 5974 (Lawler Manufacturing Company, Inc.).

What NSN replaces 4820-00-595-4418?

There are 9 known substitutes for 4820-00-595-4418: 6625-00-135-2737, 3040-00-371-5003, 7320-00-390-1521 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5974?

Key specifications for 5974: Outside Diameter: 3.688 INCHES NOMINAL IN; Inside Diameter: 2.375 INCHES NOMINAL IN; Overall Height: 0.500 INCHES NOMINAL IN; Material: RUBBER. 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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