PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K-335Parts Kit,linear Directional Con

Metrex Valve Corp. Dba Metrex Valve Corp · NSN 4820-01-449-8260 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-449-8260 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-449-8260. Primary manufacturer part number: K-335.
Features
  • Parts Kit,linear Directional Con — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Metrex Valve Corp. Dba Metrex Valve Corp
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Parts Kit,linear Directional Con, cataloged under National Stock Number 4820-01-449-8260, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Metrex Valve Corp. Dba Metrex Valve Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-449-8260
Primary Part NumberK-335
Item NameParts Kit,linear Directional Con
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMetrex Valve Corp. Dba Metrex Valve Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-100-0202335 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5640-00-654-9857 INTERCHANGEABLE
Insulation Blanket,thermal
Cross-Reference Index
Part NumberManufacturer
K-335 PRIMARY Metrex Valve Corp. Dba Metrex Valve Corp (USA)
Related Parts
3110-00-100-0202INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
335
5640-00-654-9857INTERCHANGEABLE
INSULATION BLANKET,THERMAL

Frequently Asked Questions

What is NSN 4820-01-449-8260?

NSN 4820-01-449-8260 is a Parts Kit,linear Directional Con, manufactured by Metrex Valve Corp. Dba Metrex Valve Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-449-8260?

NSN 4820-01-449-8260 has 1 cross-referenced part number: K-335 (Metrex Valve Corp. Dba Metrex Valve Corp).

What NSN replaces 4820-01-449-8260?

There are 2 known substitutes for 4820-01-449-8260: 3110-00-100-0202, 5640-00-654-9857. Verify interchangeability with system specifications before substitution.

What are the specifications of K-335?

Key specifications for K-335: Special Features: REPAIRS 6 IN MDFPMT-3150-3W AND MDFPMXT-3150FL-3W REGULATING VALVES; KIT CONSISTS OF: 1 SPRING; 3 NUT; 6 O-RING; 1 UPPER DIAPHRAGM; 12 SEAL; 1 LOWER DIAPHRAGM; 1 PLATE; 2 SEAT DISK; 1 TOP PLATE, CONSISTING OF: 1 PILOT STEM; 2 SCREW; 2 O-RING; 1 SPRING; 1 NUT; 1 TOP PLATE W. 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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