PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4H90608-103AValve,linear,directional Control

Lockheed Martin Corp · NSN 4820-00-449-2840 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-449-2840 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-449-2840. Primary manufacturer part number: 4H90608-103A.
Features
  • Valve,linear,directional Control — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4820-00-449-2840, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lockheed Martin Corp. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameValve,linear,directional Control
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLockheed Martin Corp (CAGE 98897); Eaton Aerospace Llc Dba Eaton Aerospace Jackson (CAGE 99643)
Technical Specifications
ParameterValue
NSN4820-00-449-2840
Primary Part Number4H90608-103A
Item NameValve,linear,directional Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
2920-00-495-3301A9314 INTERCHANGEABLE
Weight,ignition Distributor
Am General Llc
5365-01-234-2414 INTERCHANGEABLE
Spacer
Cross-Reference Index
Part NumberManufacturer
4H90608-103A Lockheed Martin Corp (USA)
22560-6 Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
Related Parts
2920-00-495-3301INTERCHANGEABLE
WEIGHT,IGNITION DISTRIBUTOR
A9314
5365-01-234-2414INTERCHANGEABLE
SPACER

Frequently Asked Questions

What is NSN 4820-00-449-2840?

NSN 4820-00-449-2840 is a Valve,linear,directional Control, manufactured by Lockheed Martin Corp, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-449-2840?

NSN 4820-00-449-2840 has 2 cross-referenced part numbers: 4H90608-103A (Lockheed Martin Corp), 22560-6 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 4820-00-449-2840?

There are 2 known substitutes for 4820-00-449-2840: 2920-00-495-3301, 5365-01-234-2414. Verify interchangeability with system specifications before substitution.

Is NSN 4820-00-449-2840 still in active supply?

NSN 4820-00-449-2840 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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