PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

300030Valve,butterfly

Mega Corp. · NSN 4810-01-503-5991 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-503-5991 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-503-5991. Primary manufacturer part number: 300030.
Features
  • Valve,butterfly — FSC 4810
  • Valve Size: 3.000 INCHES IN
  • Connection Type: FLANGE ALL ENDS
  • 1 verified cross-reference
  • Primary manufacturer: Mega Corp.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,butterfly, cataloged under National Stock Number 4810-01-503-5991, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mega Corp.. Government technical data includes 2 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-503-5991
Primary Part Number300030
Item NameValve,butterfly
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerMega Corp.
StatusACTIVE
Valve Size3.000 INCHES IN
Connection TypeFLANGE ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5360-00-550-8914DI1000 INTERCHANGEABLE
Spring,helical,compression
Kaydon Custom Filtration Corporation
5985-00-682-88283000-30 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5340-00-878-5833 INTERCHANGEABLE
Boot,dust and Moisture Seal
5985-00-902-7954300030 INTERCHANGEABLE
Attenuator,fixed
Microtech Inc Dba Microtech Inc
4330-01-200-559934-0030 INTERCHANGEABLE
Filter Unit Subassembly,fluid
Parker Hannifin Corporation Div Village Marine Tech
7010-01-278-07633000/30 INTERCHANGEABLE
Computer System,digital
Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services
3950-01-655-5958 INTERCHANGEABLE
Hoist,wire Rope
5998-01-700-0230300030-1 INTERCHANGEABLE
Circuit Card Assembly
Amentum Services, Inc.
Cross-Reference Index
Part NumberManufacturer
300030 PRIMARY Mega Corp. (USA)
Related Parts
5360-00-550-8914INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
DI1000
5985-00-682-8828INTERCHANGEABLE
COUPLER,DIRECTIONAL
3000-30
5340-00-878-5833INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5985-00-902-7954INTERCHANGEABLE
ATTENUATOR,FIXED
300030
4330-01-200-5599INTERCHANGEABLE
FILTER UNIT SUBASSEMBLY,FLUID
34-0030
7010-01-278-0763INTERCHANGEABLE
COMPUTER SYSTEM,DIGITAL
3000/30
3950-01-655-5958INTERCHANGEABLE
HOIST,WIRE ROPE
5998-01-700-0230INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
300030-1

Frequently Asked Questions

What is NSN 4810-01-503-5991?

NSN 4810-01-503-5991 is a Valve,butterfly, manufactured by Mega Corp., classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-503-5991?

NSN 4810-01-503-5991 has 1 cross-referenced part number: 300030 (Mega Corp.).

What NSN replaces 4810-01-503-5991?

There are 8 known substitutes for 4810-01-503-5991: 5360-00-550-8914, 5985-00-682-8828, 5340-00-878-5833 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300030?

Key specifications for 300030: Special Features: POWERED VALVE, DC CURRENT; Valve Size: 3.000 INCHES IN; End Item Identification: SPRAYING GROUP EQUIPMENT; Connection Type: FLANGE ALL ENDS. 4 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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