PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300930Disk,valve

Lake Shore Systems, Inc. · NSN 4820-01-433-7144 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-433-7144 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-433-7144. Primary manufacturer part number: 300930.
Features
  • Disk,valve — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Lake Shore Systems, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-433-7144, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lake Shore Systems, Inc.. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-433-7144
Primary Part Number300930
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLake Shore Systems, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3020-00-231-873211069440 INTERCHANGEABLE
Link,roller Chain
Us Army Aviation and Missile Command
5996-00-503-0679300930 INTERCHANGEABLE
Amplifier,intermediate Frequency
Viking Technologies, Ltd.
5340-01-226-6774300930 INTERCHANGEABLE
Bracket,angle
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
5962-01-391-7511300930 INTERCHANGEABLE
Microcircuit,memory
Northrop Grumman Systems Corporation
3020-01-521-6641300930 INTERCHANGEABLE
Gear,worm
Tri-Tec Manufacturing Llc
Cross-Reference Index
Part NumberManufacturer
300930 Brannon Hydraulics (USA)
300930 PRIMARY Lake Shore Systems, Inc. (USA)
300930 Mcelroy Manufacturing Inc (USA)
Related Parts
3020-00-231-8732INTERCHANGEABLE
LINK,ROLLER CHAIN
11069440
5996-00-503-0679INTERCHANGEABLE
AMPLIFIER,INTERMEDIATE FREQUENCY
300930
5340-01-226-6774INTERCHANGEABLE
BRACKET,ANGLE
300930
5962-01-391-7511INTERCHANGEABLE
MICROCIRCUIT,MEMORY
300930
3020-01-521-6641INTERCHANGEABLE
GEAR,WORM
300930

Frequently Asked Questions

What is NSN 4820-01-433-7144?

NSN 4820-01-433-7144 is a Disk,valve, manufactured by Lake Shore Systems, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-433-7144?

NSN 4820-01-433-7144 has 3 cross-referenced part numbers: 300930 (Brannon Hydraulics), 300930 (Lake Shore Systems, Inc.), 300930 (Mcelroy Manufacturing Inc).

What NSN replaces 4820-01-433-7144?

There are 5 known substitutes for 4820-01-433-7144: 3020-00-231-8732, 5996-00-503-0679, 5340-01-226-6774 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300930?

Key specifications for 300930: End Item Identification: DIRECTIONAL CONTROL VALVE SG811-BW-MMA-010/34712; AVENGER CLASS MCM. 1 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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