PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12197-1Diaphragm

Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives · NSN 6685-01-112-9884 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-112-9884 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-112-9884. Primary manufacturer part number: 12197-1.
Features
  • Diaphragm — FSC 6685
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY PAC TEXT
  • General Characteristics Item Description: SPECIAL REQUIREMENTS FOR NUCLEAR PROPULSION PLANT EQUIPMENT CONTAINED IN INDIVIDUAL REPAIR PARTS ORDERING DATA INSTRUMENTATION CONTROL NO. NV-5689B LINE NO. 2
  • 1 verified cross-reference
  • Primary manufacturer: Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Diaphragm, cataloged under National Stock Number 6685-01-112-9884, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives. Government technical data includes 2 verified specifications, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-112-9884
Primary Part Number12197-1
Item NameDiaphragm
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerSiemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
StatusACTIVE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY PAC TEXT
General Characteristics Item DescriptionSPECIAL REQUIREMENTS FOR NUCLEAR PROPULSION PLANT EQUIPMENT CONTAINED IN INDIVIDUAL REPAIR PARTS ORDERING DATA INSTRUMENTATION CONTROL NO. NV-5689B LINE NO. 2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6680-00-830-722612197-1 INTERCHANGEABLE
Diaphragm,pressure
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
5998-01-081-3349 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
12197-1 Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA)
Related Parts
6680-00-830-7226INTERCHANGEABLE
DIAPHRAGM,PRESSURE
12197-1
5998-01-081-3349INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 6685-01-112-9884?

NSN 6685-01-112-9884 is a Diaphragm, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-112-9884?

NSN 6685-01-112-9884 has 1 cross-referenced part number: 12197-1 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).

What NSN replaces 6685-01-112-9884?

There are 2 known substitutes for 6685-01-112-9884: 6680-00-830-7226, 5998-01-081-3349. Verify interchangeability with system specifications before substitution.

What are the specifications of 12197-1?

Key specifications for 12197-1: Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY PAC TEXT; General Characteristics Item Description: SPECIAL REQUIREMENTS FOR NUCLEAR PROPULSION PLANT EQUIPMENT CONTAINED IN INDIVIDUAL REPAIR PARTS ORDERING DATA INSTRUMENTATION CONTROL NO. NV-5689B LINE NO. 2. 2 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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