PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4541-3Diaphragm

Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives · NSN 6660-01-012-5744 · FSC 6660 · No Item Name Available
Verified by PartsTable
NSN 6660-01-012-5744 — this item is cataloged by the U.S. Government under National Stock Number 6660-01-012-5744. Primary manufacturer part number: 4541-3.
Features
  • Diaphragm — FSC 6660
  • General Characteristics Item Description: RUBBER; 3.250 IN. DIA; 12 MTG HOLES 0.250 IN. DIA IN
  • 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 6660-01-012-5744, is classified within Federal Supply Class 6660 (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 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6660-01-012-5744
Primary Part Number4541-3
Item NameDiaphragm
FSC / FSG6660 / 66 — No Item Name Available
ManufacturerSiemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
StatusACTIVE
General Characteristics Item DescriptionRUBBER; 3.250 IN. DIA; 12 MTG HOLES 0.250 IN. DIA IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3120-00-097-939645413 INTERCHANGEABLE
Bushing,sleeve
Aerocontrolex Group, Inc. Div Talley Actuators
6220-01-201-412345413 INTERCHANGEABLE
Light,marker,clearance
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
5930-01-301-838651-121 INTERCHANGEABLE
Switch,push
L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division
4820-01-644-08411020941J INTERCHANGEABLE
Valve Assembly
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Cross-Reference Index
Part NumberManufacturer
4541-3 PRIMARY Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA)
Related Parts
3120-00-097-9396INTERCHANGEABLE
BUSHING,SLEEVE
45413
6220-01-201-4123INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
45413
5930-01-301-8386INTERCHANGEABLE
SWITCH,PUSH
51-121
4820-01-644-0841INTERCHANGEABLE
VALVE ASSEMBLY
1020941J

Frequently Asked Questions

What is NSN 6660-01-012-5744?

NSN 6660-01-012-5744 is a Diaphragm, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 6660 (No Item Name Available). Status: active.

What are the part numbers for NSN 6660-01-012-5744?

NSN 6660-01-012-5744 has 1 cross-referenced part number: 4541-3 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).

What NSN replaces 6660-01-012-5744?

There are 4 known substitutes for 6660-01-012-5744: 3120-00-097-9396, 6220-01-201-4123, 5930-01-301-8386 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4541-3?

Key specifications for 4541-3: General Characteristics Item Description: RUBBER; 3.250 IN. DIA; 12 MTG HOLES 0.250 IN. DIA IN; End Item Identification: CONTROL SIMULATOR. 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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