PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HC-29N/0221Flange,pipe

Siemens Energy, Inc. · NSN 4730-00-246-5411 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-246-5411 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-246-5411. Primary manufacturer part number: HC-29N/0221.
Features
  • Flange,pipe — FSC 4730
  • 4 verified cross-references
  • Primary manufacturer: Siemens Energy, Inc.
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Flange,pipe, cataloged under National Stock Number 4730-00-246-5411, 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 4 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: Cancelled.

Catalog Facts
Item NameFlange,pipe
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersSiemens Energy, Inc. (CAGE 16712); Circor Pumps North America Llc (CAGE 59180)
Technical Specifications
ParameterValue
NSN4730-00-246-5411
Primary Part NumberHC-29N/0221
Item NameFlange,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSiemens Energy, Inc.
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-212-6432G10540PC57 INTERCHANGEABLE
Retainer,packing
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.
4730-01-183-0666HC-561E/2695 INTERCHANGEABLE
Plug,nozzle
Siemens Energy, Inc.
Cross-Reference Index
Part NumberManufacturer
S3263A Siemens Energy, Inc. (USA)
HC-29N/0221 PRIMARY Siemens Energy, Inc. (USA)
H-3373 Siemens Energy, Inc. (USA)
S3263A Circor Pumps North America Llc (USA)
Related Parts
5330-00-212-6432INTERCHANGEABLE
RETAINER,PACKING
G10540PC57
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
4730-01-183-0666INTERCHANGEABLE
PLUG,NOZZLE
HC-561E/2695
2825-01-183-0667INTERCHANGEABLE
RING,PACKING BOX
HC-111A
2825-01-183-0672INTERCHANGEABLE
COVER,TURBINE CASE
S3260AX1

Frequently Asked Questions

What is NSN 4730-00-246-5411?

NSN 4730-00-246-5411 is a Flange,pipe, manufactured by Siemens Energy, Inc., classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-246-5411?

NSN 4730-00-246-5411 has 4 cross-referenced part numbers: S3263A (Siemens Energy, Inc.), HC-29N/0221 (Siemens Energy, Inc.), H-3373 (Siemens Energy, Inc.), S3263A (Circor Pumps North America Llc).

What NSN replaces 4730-00-246-5411?

There are 12 known substitutes for 4730-00-246-5411: 5330-00-212-6432, 4730-00-274-3380, 2825-00-337-0997 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4730-00-246-5411 still in active supply?

NSN 4730-00-246-5411 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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