PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

330077-010O-Ring Retainer L S

Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris · NSN 4820-01-506-4509 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-506-4509 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-506-4509. Primary manufacturer part number: 330077-010.
Features
  • O-Ring Retainer L S — FSC 4820
  • 5 verified cross-references
  • Primary manufacturer: Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring Retainer L S, cataloged under National Stock Number 4820-01-506-4509, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris. This item has 5 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
NSN4820-01-506-4509
Primary Part Number330077-010
Item NameO-Ring Retainer L S
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCurtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-02851B3921 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Caterpillar Inc Div Caterpillar Defense
2010-00-213-0749 INTERCHANGEABLE
Staves,bearing
4820-00-394-28390R50VB INTERCHANGEABLE
Valve Assembly
Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
2925-00-535-035230077 INTERCHANGEABLE
Harness Assy,front,
Vse Aviation, Inc.
3110-00-542-012038KVTDFS381A INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
3120-00-815-019203-564-2001C INTERCHANGEABLE
Bearing,plain,self-Aligning
Rbc Transport Dynamics Corp Div Rbc Transport Dynamics
1630-01-308-044830077 INTERCHANGEABLE
Lever,hydraulic Brake Valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4730-01-357-12785133-1 1/4 INTERCHANGEABLE
Union,pipe
Nibco Inc Chemtrol Div
4730-01-432-063530077 INTERCHANGEABLE
Adapter,straight,tube to Boss
Dionex Corporation
5365-01-432-146530159 INTERCHANGEABLE
Spacer,ring
Woodward, Inc.
Cross-Reference Index
Part NumberManufacturer
30159 ITEM 14 Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division (USA)
30077 Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA)
30159 Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division (USA)
30077 Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division (USA)
330077-010 PRIMARY Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA)
Related Parts
3110-00-100-0285INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1B3921
2010-00-213-0749INTERCHANGEABLE
STAVES,BEARING
4820-00-394-2839INTERCHANGEABLE
VALVE ASSEMBLY
0R50VB
2925-00-535-0352INTERCHANGEABLE
HARNESS ASSY,FRONT,
30077
3110-00-542-0120INTERCHANGEABLE
BEARING,BALL,ANNULAR
38KVTDFS381A
3120-00-815-0192INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
03-564-2001C
1630-01-308-0448INTERCHANGEABLE
LEVER,HYDRAULIC BRAKE VALVE
30077
4730-01-357-1278INTERCHANGEABLE
UNION,PIPE
5133-1 1/4
4730-01-432-0635INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
30077
5365-01-432-1465INTERCHANGEABLE
SPACER,RING
30159
4820-01-506-4497INTERCHANGEABLE
STEM,FLUID VALVE
330081-010NM
4820-01-506-4501INTERCHANGEABLE
VALVE,SAFETY RELIEF
27EC34M-140/S4-10PSI

Frequently Asked Questions

What is NSN 4820-01-506-4509?

NSN 4820-01-506-4509 is a O-Ring Retainer L S, manufactured by Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-506-4509?

NSN 4820-01-506-4509 has 5 cross-referenced part numbers: 30159 ITEM 14 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division), 30077 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris), 30159 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division), 30077 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division), 330077-010 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris).

What NSN replaces 4820-01-506-4509?

There are 12 known substitutes for 4820-01-506-4509: 3110-00-100-0285, 2010-00-213-0749, 4820-00-394-2839 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 330077-010?

Key specifications for 330077-010: End Item Identification: 1.0 X 1.5 INCH RELIEF VALVE IN. 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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