PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4541-2Diaphragm

Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives · NSN 6660-01-012-5743 · FSC 6660 · No Item Name Available
Verified by PartsTable
NSN 6660-01-012-5743 — this item is cataloged by the U.S. Government under National Stock Number 6660-01-012-5743. Primary manufacturer part number: 4541-2.
Features
  • Diaphragm — FSC 6660
  • 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 6660-01-012-5743, 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. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6660-01-012-5743
Primary Part Number4541-2
Item NameDiaphragm
FSC / FSG6660 / 66 — No Item Name Available
ManufacturerSiemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5961-00-506-9880 INTERCHANGEABLE
Semiconductor Device,diode
4920-00-651-55104541-2 INTERCHANGEABLE
Rod,guide
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
5330-00-845-660645412 INTERCHANGEABLE
Gasket
L3harris Technologies, Inc Div Space & Airborne Systems
6220-01-203-209445412 INTERCHANGEABLE
Light,marker,clearance
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
5120-01-431-283545412 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
S K Hand Tool Corp
5210-01-434-9520454-12 INTERCHANGEABLE
Caliper,inside
General Tools Manufacturing Co., Llc.
Cross-Reference Index
Part NumberManufacturer
4541-2 PRIMARY Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA)
Related Parts
5961-00-506-9880INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4920-00-651-5510INTERCHANGEABLE
ROD,GUIDE
4541-2
5330-00-845-6606INTERCHANGEABLE
GASKET
45412
6220-01-203-2094INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
45412
5120-01-431-2835INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
45412
5210-01-434-9520INTERCHANGEABLE
CALIPER,INSIDE
454-12

Frequently Asked Questions

What is NSN 6660-01-012-5743?

NSN 6660-01-012-5743 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 6660-01-012-5743?

NSN 6660-01-012-5743 has 1 cross-referenced part number: 4541-2 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).

What NSN replaces 6660-01-012-5743?

There are 6 known substitutes for 6660-01-012-5743: 5961-00-506-9880, 4920-00-651-5510, 5330-00-845-6606 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4541-2?

Key specifications for 4541-2: End Item Identification: CONTROL SIMULATOR. 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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