PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HC-561E/2695Plug,nozzle

Siemens Energy, Inc. · NSN 4730-01-183-0666 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-183-0666 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-183-0666. Primary manufacturer part number: HC-561E/2695.
Features
  • Plug,nozzle — FSC 4730
  • 5 verified cross-references
  • Primary manufacturer: Siemens Energy, Inc.
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Plug,nozzle, cataloged under National Stock Number 4730-01-183-0666, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Siemens Energy, Inc.. This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePlug,nozzle
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersSiemens Energy, Inc. (CAGE 16712); Circor Pumps North America Llc (CAGE 59180)
Technical Specifications
ParameterValue
NSN4730-01-183-0666
Primary Part NumberHC-561E/2695
Item NamePlug,nozzle
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSiemens Energy, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-212-6432G10540PC57 INTERCHANGEABLE
Retainer,packing
Siemens Energy, Inc.
4730-00-246-5411HC-29N/0221 INTERCHANGEABLE
Flange,pipe
Siemens Energy, Inc.
4730-00-274-3380G10540PC56 INTERCHANGEABLE
Packing Nut
Siemens Energy, Inc.
2825-00-337-0997HC-151D/1113 INTERCHANGEABLE
Cover,valve Body
Siemens Energy, Inc.
2825-00-383-6350HC1804FX1ANDHC215AEX1 INTERCHANGEABLE
Box,packing with Bu
Siemens Energy, Inc.
4730-01-022-3946H-3373 PIECE 007B INTERCHANGEABLE
Flange,pipe
Siemens Energy, Inc.
2825-01-182-4519S3202A INTERCHANGEABLE
Packing Box Assembly
Circor Pumps North America Llc
4730-01-182-4521G10322PC48 INTERCHANGEABLE
Plug,nozzle
Siemens Energy, Inc.
2825-01-182-4522HC-1819A INTERCHANGEABLE
Yoke,turbine
Siemens Energy, Inc.
2825-01-182-4523G10069PC63 INTERCHANGEABLE
Yoke,turbine
Siemens Energy, Inc.
Cross-Reference Index
Part NumberManufacturer
HC-561E/2695 PRIMARY Siemens Energy, Inc. (USA)
S3218A Siemens Energy, Inc. (USA)
H-3373 PIECE 022 Siemens Energy, Inc. (USA)
H-3373 Siemens Energy, Inc. (USA)
S3218A Circor Pumps North America Llc (USA)
Related Parts
5330-00-212-6432INTERCHANGEABLE
RETAINER,PACKING
G10540PC57
4730-00-246-5411INTERCHANGEABLE
FLANGE,PIPE
HC-29N/0221
4730-00-274-3380INTERCHANGEABLE
PACKING NUT
G10540PC56
2825-00-337-0997INTERCHANGEABLE
COVER,VALVE BODY
HC-151D/1113
2825-00-383-6350INTERCHANGEABLE
BOX,PACKING WITH BU
HC1804FX1ANDHC215AEX1
4730-01-022-3946INTERCHANGEABLE
FLANGE,PIPE
H-3373 PIECE 007B
2825-01-182-4519INTERCHANGEABLE
PACKING BOX ASSEMBLY
S3202A
4730-01-182-4521INTERCHANGEABLE
PLUG,NOZZLE
G10322PC48
2825-01-182-4522INTERCHANGEABLE
YOKE,TURBINE
HC-1819A
2825-01-182-4523INTERCHANGEABLE
YOKE,TURBINE
G10069PC63
2825-01-183-0667INTERCHANGEABLE
RING,PACKING BOX
HC-111A
2825-01-183-0672INTERCHANGEABLE
COVER,TURBINE CASE
S3260AX1

Frequently Asked Questions

What is NSN 4730-01-183-0666?

NSN 4730-01-183-0666 is a Plug,nozzle, manufactured by Siemens Energy, Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-183-0666?

NSN 4730-01-183-0666 has 5 cross-referenced part numbers: HC-561E/2695 (Siemens Energy, Inc.), S3218A (Siemens Energy, Inc.), H-3373 PIECE 022 (Siemens Energy, Inc.), H-3373 (Siemens Energy, Inc.), S3218A (Circor Pumps North America Llc).

What NSN replaces 4730-01-183-0666?

There are 12 known substitutes for 4730-01-183-0666: 5330-00-212-6432, 4730-00-246-5411, 4730-00-274-3380 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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