PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12449Piston,valve

Paragon Power Inc Sub of Great Lakes Power Products Inc · NSN 4820-01-135-2206 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-135-2206 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-135-2206. Primary manufacturer part number: 12449.
Features
  • Piston,valve — FSC 4820
  • Outside Diameter: 1.367 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING
  • 2 verified cross-references
  • Primary manufacturer: Paragon Power Inc Sub of Great Lakes Power Products Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Piston,valve, cataloged under National Stock Number 4820-01-135-2206, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Paragon Power Inc Sub of Great Lakes Power Products Inc. Government technical data includes 2 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: Active.

Technical Specifications
ParameterValue
NSN4820-01-135-2206
Primary Part Number12449
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParagon Power Inc Sub of Great Lakes Power Products Inc
StatusACTIVE
Outside Diameter1.367 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6240-00-155-8008 INTERCHANGEABLE
Lamp,incandescent
5330-00-179-0966 INTERCHANGEABLE
Seal,plain Encased
4730-00-235-408016 2-1/2 INTERCHANGEABLE
Flange,pipe
Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
5935-00-305-2260 INTERCHANGEABLE
Connector,receptacle,electrical
6625-00-423-6613 INTERCHANGEABLE
Divider,power,radio Frequency
1660-00-600-814816212 INTERCHANGEABLE
Valve Assy,check Ai
Solar Turbines Incorporated Dba Solar Turbines Incorporated
5360-00-805-3409 INTERCHANGEABLE
Spring,helical,compression
5315-00-836-9672TA1530 INTERCHANGEABLE
Pin,grooved,headed
Parker Hannifin Corporation Div Cylinder Division
5360-00-910-451216212 INTERCHANGEABLE
Spring,helical,compression
Mission Systems Orchard Park Inc
3040-00-979-668312449 INTERCHANGEABLE
Shaft,extension Assembly
Belfort Instrument Company
Cross-Reference Index
Part NumberManufacturer
12449 PRIMARY Paragon Power Inc Sub of Great Lakes Power Products Inc (USA)
16212 PRIMARY Westerbeke Corporation (USA)
Related Parts
6240-00-155-8008INTERCHANGEABLE
LAMP,INCANDESCENT
5330-00-179-0966INTERCHANGEABLE
SEAL,PLAIN ENCASED
4730-00-235-4080INTERCHANGEABLE
FLANGE,PIPE
16 2-1/2
5935-00-305-2260INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
6625-00-423-6613INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
1660-00-600-8148INTERCHANGEABLE
VALVE ASSY,CHECK AI
16212
5360-00-805-3409INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5315-00-836-9672INTERCHANGEABLE
PIN,GROOVED,HEADED
TA1530
5360-00-910-4512INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
16212
3040-00-979-6683INTERCHANGEABLE
SHAFT,EXTENSION ASSEMBLY
12449
6125-01-073-0676INTERCHANGEABLE
STATOR,MOTOR-GENERATOR
12449
5930-01-074-8848INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
12-H-0049

Frequently Asked Questions

What is NSN 4820-01-135-2206?

NSN 4820-01-135-2206 is a Piston,valve, manufactured by Paragon Power Inc Sub of Great Lakes Power Products Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-135-2206?

NSN 4820-01-135-2206 has 2 cross-referenced part numbers: 12449 (Paragon Power Inc Sub of Great Lakes Power Products Inc), 16212 (Westerbeke Corporation).

What NSN replaces 4820-01-135-2206?

There are 12 known substitutes for 4820-01-135-2206: 6240-00-155-8008, 5330-00-179-0966, 4730-00-235-4080 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12449?

Key specifications for 12449: Overall Length: 1.344 INCHES NOMINAL IN; Outside Diameter: 1.367 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING. 3 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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