PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2900-25Diaphragm,actuator Valve,special

Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives · NSN 4810-00-678-0303 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-678-0303 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-678-0303. Primary manufacturer part number: 2900-25.
Features
  • Diaphragm,actuator Valve,special — FSC 4810
  • Material: RUBBER CHLOROPRENE CLASS CR
  • 2 verified cross-references
  • Primary manufacturer: Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Chloroprene Class Cr construction
General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4810-00-678-0303, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives. Government technical data includes 1 verified specification, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-00-678-0303
Primary Part Number2900-25
Item NameDiaphragm,actuator Valve,special
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerSiemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
StatusACTIVE
MaterialRUBBER CHLOROPRENE CLASS CR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6620-00-057-2764SCD10171 INTERCHANGEABLE
Transmitter,pressure
Celtech Corporation Div Use CAGE 65552 for All Orders
5910-00-577-1269290-0025-00 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Tektronix, Inc.
4820-01-493-606814444-187 INTERCHANGEABLE
Parts Kit,diaphragm Replacement
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
5330-01-701-2156290025 INTERCHANGEABLE
Gasket
Alfa Laval Inc
Cross-Reference Index
Part NumberManufacturer
2900-25 PRIMARY Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA)
2900-25 Siemens Moore Process Automation (GBR)
Related Parts
6620-00-057-2764INTERCHANGEABLE
TRANSMITTER,PRESSURE
SCD10171
5910-00-577-1269INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
290-0025-00
4820-01-493-6068INTERCHANGEABLE
PARTS KIT,DIAPHRAGM REPLACEMENT
14444-187
5330-01-701-2156INTERCHANGEABLE
GASKET
290025

Frequently Asked Questions

What is NSN 4810-00-678-0303?

NSN 4810-00-678-0303 is a Diaphragm,actuator Valve,special, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-00-678-0303?

NSN 4810-00-678-0303 has 2 cross-referenced part numbers: 2900-25 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives), 2900-25 (Siemens Moore Process Automation).

What NSN replaces 4810-00-678-0303?

There are 4 known substitutes for 4810-00-678-0303: 6620-00-057-2764, 5910-00-577-1269, 4820-01-493-6068 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2900-25?

Key specifications for 2900-25: Material: RUBBER CHLOROPRENE CLASS CR. 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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