PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0-375-21 PIECE 8728Plug,tube Repair

Amec Foster Wheeler North America Corp. Dba Foster Wheeler · NSN 4730-01-121-2943 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-121-2943 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-121-2943. Primary manufacturer part number: 0-375-21 PIECE 8728.
Features
  • Plug,tube Repair — FSC 4730
  • 2 verified cross-references
  • Primary manufacturer: Amec Foster Wheeler North America Corp. Dba Foster Wheeler
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Plug,tube Repair, cataloged under National Stock Number 4730-01-121-2943, 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 Amec Foster Wheeler North America Corp. Dba Foster Wheeler. This item has 2 commercial cross-references 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.

Catalog Facts
Item NamePlug,tube Repair
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersAmec Foster Wheeler North America Corp. Dba Foster Wheeler (CAGE 23230)
Technical Specifications
ParameterValue
NSN4730-01-121-2943
Primary Part Number0-375-21 PIECE 8728
Item NamePlug,tube Repair
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAmec Foster Wheeler North America Corp. Dba Foster Wheeler
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4410-00-463-50710-375-21PC8717 INTERCHANGEABLE
Template,gasket,handhole
Amec Foster Wheeler North America Corp. Dba Foster Wheeler
4410-00-463-50750-375-21PC8729 INTERCHANGEABLE
Cutter,fly Assembly
Amec Foster Wheeler North America Corp. Dba Foster Wheeler
4730-01-076-95920-375-21PC8736 INTERCHANGEABLE
Plug,tube Repair
Amec Foster Wheeler North America Corp. Dba Foster Wheeler
4730-01-089-47070-375-21 PC8727 INTERCHANGEABLE
Plug,tube Fitting,threaded
Amec Foster Wheeler North America Corp. Dba Foster Wheeler
Cross-Reference Index
Part NumberManufacturer
0-375-21 PIECE 8728 PRIMARY Amec Foster Wheeler North America Corp. Dba Foster Wheeler (USA)
0-375-21 Amec Foster Wheeler North America Corp. Dba Foster Wheeler (USA)
Related Parts
4410-00-463-5071INTERCHANGEABLE
TEMPLATE,GASKET,HANDHOLE
0-375-21PC8717
4410-00-463-5075INTERCHANGEABLE
CUTTER,FLY ASSEMBLY
0-375-21PC8729
4730-01-076-9592INTERCHANGEABLE
PLUG,TUBE REPAIR
0-375-21PC8736
4730-01-089-4707INTERCHANGEABLE
PLUG,TUBE FITTING,THREADED
0-375-21 PC8727

Frequently Asked Questions

What is NSN 4730-01-121-2943?

NSN 4730-01-121-2943 is a Plug,tube Repair, manufactured by Amec Foster Wheeler North America Corp. Dba Foster Wheeler, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-121-2943?

NSN 4730-01-121-2943 has 2 cross-referenced part numbers: 0-375-21 PIECE 8728 (Amec Foster Wheeler North America Corp. Dba Foster Wheeler), 0-375-21 (Amec Foster Wheeler North America Corp. Dba Foster Wheeler).

What NSN replaces 4730-01-121-2943?

There are 4 known substitutes for 4730-01-121-2943: 4410-00-463-5071, 4410-00-463-5075, 4730-01-076-9592 and 1 more. Verify interchangeability with system specifications before substitution.

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