PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

176305Valve,hold,boom Hoist Cylinder

Hampton Hydraulics, Llc · NSN 4820-01-509-4750 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-509-4750 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-509-4750. Primary manufacturer part number: 176305.
Features
  • Valve,hold,boom Hoist Cylinder — FSC 4820
  • Valve Operation Method: HYDRAULICHYDRAULIC
  • Opening Pressure Setting: 25.0 POUNDS PER SQUARE INCH25.0 POUNDS PER SQUARE INCH LBS
  • Pilot Ratio: 3/ TO 13/ TO 1
  • End Connection Quantity: 11
  • Connection Type: THREADED CARTRIDGETHREADED CARTRIDGE
  • Material: RUBBER SYNTHETIC SEAL
  • 2 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Synthetic Seal construction
General Description

The Valve,hold,boom Hoist Cylinder, cataloged under National Stock Number 4820-01-509-4750, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hampton Hydraulics, Llc. Government technical data includes 6 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-509-4750
Primary Part Number176305
Item NameValve,hold,boom Hoist Cylinder
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHampton Hydraulics, Llc
StatusACTIVE
Valve Operation MethodHYDRAULICHYDRAULIC
Opening Pressure Setting25.0 POUNDS PER SQUARE INCH25.0 POUNDS PER SQUARE INCH LBS
Pilot Ratio3/ TO 13/ TO 1
End Connection Quantity11
Connection TypeTHREADED CARTRIDGETHREADED CARTRIDGE
MaterialRUBBER SYNTHETIC SEAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1560-00-122-5005176305 INTERCHANGEABLE
Brace,door,landing Gear
Lockheed Martin Corp
2915-00-673-6512176305 INTERCHANGEABLE
Lining and Guide Assembly
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
4820-01-506-1052CBEA-LAV INTERCHANGEABLE
Valve,hold,boom Hoist Cylinder
Sun Hydraulics Corporation
Cross-Reference Index
Part NumberManufacturer
176305 PRIMARY Hampton Hydraulics, Llc (USA)
CBEA-LAV Sun Hydraulics Corporation (USA)
Related Parts
1560-00-122-5005INTERCHANGEABLE
BRACE,DOOR,LANDING GEAR
176305
2915-00-673-6512INTERCHANGEABLE
LINING AND GUIDE ASSEMBLY
176305
4820-01-506-1052INTERCHANGEABLE
VALVE,HOLD,BOOM HOIST CYLINDER
CBEA-LAV

Frequently Asked Questions

What is NSN 4820-01-509-4750?

NSN 4820-01-509-4750 is a Valve,hold,boom Hoist Cylinder, manufactured by Hampton Hydraulics, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-509-4750?

NSN 4820-01-509-4750 has 2 cross-referenced part numbers: 176305 (Hampton Hydraulics, Llc), CBEA-LAV (Sun Hydraulics Corporation).

What NSN replaces 4820-01-509-4750?

There are 3 known substitutes for 4820-01-509-4750: 1560-00-122-5005, 2915-00-673-6512, 4820-01-506-1052. Verify interchangeability with system specifications before substitution.

What are the specifications of 176305?

Key specifications for 176305: Valve Operation Method: HYDRAULICHYDRAULIC; Opening Pressure Setting: 25.0 POUNDS PER SQUARE INCH25.0 POUNDS PER SQUARE INCH LBS; Pilot Ratio: 3/ TO 13/ TO 1; End Connection Quantity: 11. 6 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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