PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30058Disk,valve

Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division · NSN 4820-01-506-9050 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-506-9050 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-506-9050. Primary manufacturer part number: 30058.
Features
  • Disk,valve — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-506-9050, 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 Curtiss-Wright Flow Control Co Div Target Rock Division. This item has 3 commercial cross-references from 1 manufacturer, 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
NSN4820-01-506-9050
Primary Part Number30058
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCurtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-02800604403 INTERCHANGEABLE
Cone and Rollers,tapered Roller
New Holland Construction
5910-00-109-9260 INTERCHANGEABLE
Capacitor,fixed,electrolytic
3120-00-213-0735 INTERCHANGEABLE
Stave,bearing
5305-00-392-2069125127 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
5365-00-574-082330143 INTERCHANGEABLE
Shim
Danuser Machine Co
3820-00-800-034230143 INTERCHANGEABLE
Baffle Chute
Eagle Crusher Co Inc Dba Stedman Machine Co
4820-00-875-524330143 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Triumph Thermal Systems - Maryland, Inc.
6145-00-888-6869 INTERCHANGEABLE
Cable,special Purpose,electrical
5330-00-890-8152239071 INTERCHANGEABLE
Packing,preformed
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
3040-01-035-95183528-1 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
Cross-Reference Index
Part NumberManufacturer
30143 ITEM 4 Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division (USA)
30143 Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division (USA)
30058 PRIMARY Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division (USA)
Related Parts
3110-00-100-0280INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
0604403
5910-00-109-9260INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
3120-00-213-0735INTERCHANGEABLE
STAVE,BEARING
5305-00-392-2069INTERCHANGEABLE
SCREW,MACHINE
125127
5365-00-574-0823INTERCHANGEABLE
SHIM
30143
3820-00-800-0342INTERCHANGEABLE
BAFFLE CHUTE
30143
4820-00-875-5243INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
30143
6145-00-888-6869INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5330-00-890-8152INTERCHANGEABLE
PACKING,PREFORMED
239071
3040-01-035-9518INTERCHANGEABLE
CONNECTING LINK,RIGID
3528-1
5811-01-063-1294INTERCHANGEABLE
HYBRID ASSEMBLY
30058
1680-01-083-2183INTERCHANGEABLE
VANE,STATIC
30143

Frequently Asked Questions

What is NSN 4820-01-506-9050?

NSN 4820-01-506-9050 is a Disk,valve, manufactured by Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-506-9050?

NSN 4820-01-506-9050 has 3 cross-referenced part numbers: 30143 ITEM 4 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division), 30143 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division), 30058 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division).

What NSN replaces 4820-01-506-9050?

There are 12 known substitutes for 4820-01-506-9050: 3110-00-100-0280, 5910-00-109-9260, 3120-00-213-0735 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30058?

Key specifications for 30058: End Item Identification: E/I:4 X 6 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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