PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30156Disk,valve

Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris · NSN 4820-01-506-4528 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-506-4528 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-506-4528. Primary manufacturer part number: 30156.
Features
  • Disk,valve — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-506-4528, 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 4 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
NSN4820-01-506-4528
Primary Part Number30156
Item NameDisk,valve
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
3110-00-100-0516 INTERCHANGEABLE
Cup,tapered Roller Bearing
2010-00-213-0749 INTERCHANGEABLE
Staves,bearing
2825-00-339-451130156 INTERCHANGEABLE
Ring,ball Bearing
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
1680-00-897-3214 INTERCHANGEABLE
Gearshaft and Beari
5920-01-150-349930156 INTERCHANGEABLE
Fuse,enclosed Link
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
1680-01-152-4291 INTERCHANGEABLE
Clip,side,seat
4810-01-418-338630156 INTERCHANGEABLE
Sleeve,drive,valve
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
5365-01-432-146530159 INTERCHANGEABLE
Spacer,ring
Woodward, Inc.
4820-01-506-4497330081-010NM INTERCHANGEABLE
Stem,fluid Valve
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
Cross-Reference Index
Part NumberManufacturer
30159 ITEM 4 Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division (USA)
30159 Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division (USA)
30156 Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division (USA)
30156 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
3110-00-100-0516INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
2010-00-213-0749INTERCHANGEABLE
STAVES,BEARING
2825-00-339-4511INTERCHANGEABLE
RING,BALL BEARING
30156
1680-00-897-3214INTERCHANGEABLE
GEARSHAFT AND BEARI
5920-01-150-3499INTERCHANGEABLE
FUSE,ENCLOSED LINK
30156
1680-01-152-4291INTERCHANGEABLE
CLIP,SIDE,SEAT
4810-01-418-3386INTERCHANGEABLE
SLEEVE,DRIVE,VALVE
30156
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
4820-01-506-4509INTERCHANGEABLE
O-RING RETAINER L S
330077-010

Frequently Asked Questions

What is NSN 4820-01-506-4528?

NSN 4820-01-506-4528 is a Disk,valve, 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 4820-01-506-4528?

NSN 4820-01-506-4528 has 4 cross-referenced part numbers: 30159 ITEM 4 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division), 30159 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division), 30156 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division), 30156 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris).

What NSN replaces 4820-01-506-4528?

There are 12 known substitutes for 4820-01-506-4528: 3110-00-100-0285, 3110-00-100-0516, 2010-00-213-0749 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30156?

Key specifications for 30156: End Item Identification: 1.0 X 1.5 RELIEF VALVE. 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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