PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CWEA-LINValve,hold,boom Hoist Cylinder

Sun Hydraulics Corporation · NSN 4820-01-521-1649 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-521-1649 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-521-1649. Primary manufacturer part number: CWEA-LIN.
Features
  • Valve,hold,boom Hoist Cylinder — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Sun Hydraulics Corporation
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,hold,boom Hoist Cylinder, cataloged under National Stock Number 4820-01-521-1649, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Sun Hydraulics Corporation. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,hold,boom Hoist Cylinder
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersParker-Hannifin Corporation Div Cylinder Division (CAGE 95208); Sun Hydraulics Corporation (CAGE 54035)
Technical Specifications
ParameterValue
NSN4820-01-521-1649
Primary Part NumberCWEA-LIN
Item NameValve,hold,boom Hoist Cylinder
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSun Hydraulics Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5315-01-055-4162801524 INTERCHANGEABLE
Pin,swivel Index
Mag Aerospace Industries, Llc Div Safran Cabins
2520-01-313-8041801524 INTERCHANGEABLE
Cover,transmission
Dana Off Highway Products, Llc
4710-01-520-6391 INTERCHANGEABLE
Tube,metallic
3040-01-520-9174 INTERCHANGEABLE
Cylinder,hydraulic Accumulator
5365-01-521-0425 INTERCHANGEABLE
Plug,machine Thread
3120-01-521-0431 INTERCHANGEABLE
Bushing,sleeve
5365-01-521-5697 INTERCHANGEABLE
Plug,ball Check
6515-01-715-803080-1524 INTERCHANGEABLE
Scissors,general Surgical
Aspen Surgical Products Inc
Cross-Reference Index
Part NumberManufacturer
801524 Parker-Hannifin Corporation Div Cylinder Division (USA)
CWEA-LIN PRIMARY Sun Hydraulics Corporation (USA)
95142079 Parker-Hannifin Corporation Div Cylinder Division (USA)
95142079 ITEM 46 Parker-Hannifin Corporation Div Cylinder Division (USA)
Related Parts
5315-01-055-4162INTERCHANGEABLE
PIN,SWIVEL INDEX
801524
2520-01-313-8041INTERCHANGEABLE
COVER,TRANSMISSION
801524
4710-01-520-6391INTERCHANGEABLE
TUBE,METALLIC
3040-01-520-9174INTERCHANGEABLE
CYLINDER,HYDRAULIC ACCUMULATOR
5365-01-521-0425INTERCHANGEABLE
PLUG,MACHINE THREAD
3120-01-521-0431INTERCHANGEABLE
BUSHING,SLEEVE
5365-01-521-5697INTERCHANGEABLE
PLUG,BALL CHECK
6515-01-715-8030INTERCHANGEABLE
SCISSORS,GENERAL SURGICAL
80-1524

Frequently Asked Questions

What is NSN 4820-01-521-1649?

NSN 4820-01-521-1649 is a Valve,hold,boom Hoist Cylinder, manufactured by Sun Hydraulics Corporation, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-521-1649?

NSN 4820-01-521-1649 has 4 cross-referenced part numbers: 801524 (Parker-Hannifin Corporation Div Cylinder Division), CWEA-LIN (Sun Hydraulics Corporation), 95142079 (Parker-Hannifin Corporation Div Cylinder Division), 95142079 ITEM 46 (Parker-Hannifin Corporation Div Cylinder Division).

What NSN replaces 4820-01-521-1649?

There are 8 known substitutes for 4820-01-521-1649: 5315-01-055-4162, 2520-01-313-8041, 4710-01-520-6391 and 5 more. Verify interchangeability with system specifications before substitution.

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