PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25741Disk,valve

Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris · NSN 4820-01-529-9919 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-529-9919 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-529-9919. Primary manufacturer part number: 25741.
Features
  • Disk,valve — FSC 4820
  • Media for Which Designed: STEAM
  • Material: STEEL
  • 3 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
  • Applications requiring Steel construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-529-9919, 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. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-529-9919
Primary Part Number25741
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
Media for Which DesignedSTEAM
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-354-171917246A INTERCHANGEABLE
Gasket
Brinkley Technology Group Llc Dba Hercules Manufacturing
5915-00-476-8306SM-B-2016077 INTERCHANGEABLE
Network,circuit Protection
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5930-00-539-6731BX-2RS-A2 INTERCHANGEABLE
Switch,sensitive
Honeywell International Inc. Dba Honeyweel Sensing & Controls
1650-00-651-856125741 INTERCHANGEABLE
Plunger,detent
Drs Environmental Systems Inc
Cross-Reference Index
Part NumberManufacturer
27CA23-M20/SP ITEM NO. 3 Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA)
4820PL0630224 Jednolity Indeks Materialowy - Uniform Material Index (POL)
25741 PRIMARY Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA)
Related Parts
5330-00-354-1719INTERCHANGEABLE
GASKET
17246A
5915-00-476-8306INTERCHANGEABLE
NETWORK,CIRCUIT PROTECTION
SM-B-2016077
5930-00-539-6731INTERCHANGEABLE
SWITCH,SENSITIVE
BX-2RS-A2
1650-00-651-8561INTERCHANGEABLE
PLUNGER,DETENT
25741

Frequently Asked Questions

What is NSN 4820-01-529-9919?

NSN 4820-01-529-9919 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 4820-01-529-9919?

NSN 4820-01-529-9919 has 3 cross-referenced part numbers: 27CA23-M20/SP ITEM NO. 3 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris), 4820PL0630224 (Jednolity Indeks Materialowy - Uniform Material Index), 25741 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris).

What NSN replaces 4820-01-529-9919?

There are 4 known substitutes for 4820-01-529-9919: 5330-00-354-1719, 5915-00-476-8306, 5930-00-539-6731 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25741?

Key specifications for 25741: Part Name Assigned by Controlling Agency: DISC; End Item Identification: 4820-01-529-9907; PRESSURE RELIEF VALVE; Media for Which Designed: STEAM; Material: STEEL. 4 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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