PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300031Valve,butterfly

Mega Corp. · NSN 4820-01-314-9271 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-314-9271 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-314-9271. Primary manufacturer part number: 300031.
Features
  • Valve,butterfly — FSC 4820
  • Valve Operation Method: MANUAL
  • Valve Size: 4.000 INCHES IN
  • Material: IRON BODY
  • 2 verified cross-references
  • Primary manufacturer: Mega Corp.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Iron Body construction
General Description

The Valve,butterfly, cataloged under National Stock Number 4820-01-314-9271, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mega Corp.. Government technical data includes 3 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-314-9271
Primary Part Number300031
Item NameValve,butterfly
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMega Corp.
StatusCANCELLED
Valve Operation MethodMANUAL
Valve Size4.000 INCHES IN
MaterialIRON BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4140-00-136-717472B229000-2037 INTERCHANGEABLE
Fan,tubeaxial
The Boeing Company Div Defense
5330-00-550-60233000-3-1 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Parker Hannifin Advanced Products Co Div Composite Sealing Systems Division
5945-00-593-6418950130-4C INTERCHANGEABLE
Relay,solid State
Raytheon Company Dba Raytheon
5945-00-788-11839190814 INTERCHANGEABLE
Relay,electromagnetic
Us Army Aviation and Missile Command
4320-01-286-1990MODEL 12 INTERCHANGEABLE
Pump Unit,centrifugal
Itt Rule Industries Inc Danforth Div
6665-01-469-309248-1609 INTERCHANGEABLE
Survey Meter Genera
Ludlum Measurements Inc
5305-01-491-2836300031 INTERCHANGEABLE
Screw,cap,socket Head
Indeco North America Inc
4940-01-550-3924 INTERCHANGEABLE
Cleaner,ultrasonic
6510-01-558-410830-0031 INTERCHANGEABLE
Bandage,emergency Trauma Dressin
North American Rescue, Llc
6210-01-614-8943300-138 INTERCHANGEABLE
Light Set,navigational
Naval Inventory Control Point Mechanicsburg
Cross-Reference Index
Part NumberManufacturer
MODEL-12 Fmc Technologies Inc Dba Fmc Fluid Control (USA)
300031 PRIMARY Mega Corp. (USA)
Related Parts
4140-00-136-7174INTERCHANGEABLE
FAN,TUBEAXIAL
72B229000-2037
5330-00-550-6023INTERCHANGEABLE
GASKET
3000-3-1
5945-00-593-6418INTERCHANGEABLE
RELAY,SOLID STATE
950130-4C
5945-00-788-1183INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
9190814
4320-01-286-1990INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
MODEL 12
6665-01-469-3092INTERCHANGEABLE
SURVEY METER GENERA
48-1609
5305-01-491-2836INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
300031
4940-01-550-3924INTERCHANGEABLE
CLEANER,ULTRASONIC
6510-01-558-4108INTERCHANGEABLE
BANDAGE,EMERGENCY TRAUMA DRESSIN
30-0031
6210-01-614-8943INTERCHANGEABLE
LIGHT SET,NAVIGATIONAL
300-138
5895-01-675-7866INTERCHANGEABLE
HOLDER,STYLUS
3000-31
5998-01-700-0228INTERCHANGEABLE
BACKPLANE ASSEMBLY
300031-1

Frequently Asked Questions

What is NSN 4820-01-314-9271?

NSN 4820-01-314-9271 is a Valve,butterfly, manufactured by Mega Corp., classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-314-9271?

NSN 4820-01-314-9271 has 2 cross-referenced part numbers: MODEL-12 (Fmc Technologies Inc Dba Fmc Fluid Control), 300031 (Mega Corp.).

What NSN replaces 4820-01-314-9271?

There are 12 known substitutes for 4820-01-314-9271: 4140-00-136-7174, 5330-00-550-6023, 5945-00-593-6418 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300031?

Key specifications for 300031: Valve Operation Method: MANUAL; Valve Size: 4.000 INCHES IN; Material: IRON BODY. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-314-9271 still in active supply?

NSN 4820-01-314-9271 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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