PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1912-7Diaphragm,valve,flat

Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives · NSN 4820-01-009-4409 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-009-4409 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-009-4409. Primary manufacturer part number: 1912-7.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Material: RUBBER
  • 1 verified cross-reference
  • 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 construction
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-009-4409, is classified within Federal Supply Class 4820 (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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-009-4409
Primary Part Number1912-7
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSiemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
StatusACTIVE
MaterialRUBBER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2815-00-090-849413338 INTERCHANGEABLE
Connecting Rod
Morris Material Handling, Inc.
2805-00-217-354919-127 INTERCHANGEABLE
Plug,thrust,camshaft
Dresser Industries Inc Leroi Div
5330-00-286-0650 INTERCHANGEABLE
Gasket
3110-00-554-3374 INTERCHANGEABLE
Bearing,ball,annular
5950-00-647-507519127 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
5310-00-663-761760598 INTERCHANGEABLE
Washer,flat
Cummins Inc.
5935-00-782-7620G350132S1 INTERCHANGEABLE
Connector,plug,electrical
L3harris Technologies, Inc Div Space & Airborne Systems
5120-01-430-7781 INTERCHANGEABLE
Socket Set,socket Wrench
Cross-Reference Index
Part NumberManufacturer
1912-7 PRIMARY Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA)
Related Parts
2815-00-090-8494INTERCHANGEABLE
CONNECTING ROD
13338
2805-00-217-3549INTERCHANGEABLE
PLUG,THRUST,CAMSHAFT
19-127
5330-00-286-0650INTERCHANGEABLE
GASKET
3110-00-554-3374INTERCHANGEABLE
BEARING,BALL,ANNULAR
5950-00-647-5075INTERCHANGEABLE
TRANSFORMER,POWER
19127
5310-00-663-7617INTERCHANGEABLE
WASHER,FLAT
60598
5935-00-782-7620INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
G350132S1
5120-01-430-7781INTERCHANGEABLE
SOCKET SET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 4820-01-009-4409?

NSN 4820-01-009-4409 is a Diaphragm,valve,flat, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-009-4409?

NSN 4820-01-009-4409 has 1 cross-referenced part number: 1912-7 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).

What NSN replaces 4820-01-009-4409?

There are 8 known substitutes for 4820-01-009-4409: 2815-00-090-8494, 2805-00-217-3549, 5330-00-286-0650 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1912-7?

Key specifications for 1912-7: Material: RUBBER. 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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