PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7704Plug,tube Repair,expanding

Barnes Group Inc. Dba Barnes Distribution · NSN 4730-01-386-4423 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-386-4423 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-386-4423. Primary manufacturer part number: 7704.
Features
  • Plug,tube Repair,expanding — FSC 4730
  • 1 verified cross-reference
  • Primary manufacturer: Barnes Group Inc. Dba Barnes Distribution
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Plug,tube Repair,expanding, cataloged under National Stock Number 4730-01-386-4423, 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 Barnes Group Inc. Dba Barnes Distribution. This item has 1 commercial cross-reference from 1 manufacturer, 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,tube Repair,expanding
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersBarnes Group Inc. Dba Barnes Distribution (CAGE 05573)
Technical Specifications
ParameterValue
NSN4730-01-386-4423
Primary Part Number7704
Item NamePlug,tube Repair,expanding
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerBarnes Group Inc. Dba Barnes Distribution
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2825-00-175-88487704 INTERCHANGEABLE
Shaft Assembly
Northrop Grumman Systems Corporation Div Marine Systems
3455-00-238-9079A810-60R INTERCHANGEABLE
Cutter,milling,angle
F & D Tool Co Inc
4820-00-272-3347 INTERCHANGEABLE
Cock,drain
5342-00-489-3458770-4 INTERCHANGEABLE
Mount,resilient,weapon System
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
5910-00-523-9262 INTERCHANGEABLE
Capacitor,fixed,electrolytic
4320-00-606-264233741-004 14990 INTERCHANGEABLE
Plate,valve
The Gorman-Rupp Company Div Gorman-Rupp
9390-01-097-6357 INTERCHANGEABLE
Wick
6510-01-153-4698651000C980602# INTERCHANGEABLE
Pad Adhesive Skin-O
Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia
4320-01-274-79947704 INTERCHANGEABLE
Rod,discharge Pisto
Coffin Turbo Pump Inc
6625-01-287-85607704 INTERCHANGEABLE
Oscilloscope
Tektronix, Inc.
Cross-Reference Index
Part NumberManufacturer
7704 PRIMARY Barnes Group Inc. Dba Barnes Distribution (USA)
Related Parts
2825-00-175-8848INTERCHANGEABLE
SHAFT ASSEMBLY
7704
3455-00-238-9079INTERCHANGEABLE
CUTTER,MILLING,ANGLE
A810-60R
4820-00-272-3347INTERCHANGEABLE
COCK,DRAIN
5342-00-489-3458INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
770-4
5910-00-523-9262INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
4320-00-606-2642INTERCHANGEABLE
PLATE,VALVE
33741-004 14990
9390-01-097-6357INTERCHANGEABLE
WICK
6510-01-153-4698INTERCHANGEABLE
PAD ADHESIVE SKIN-O
651000C980602#
4320-01-274-7994INTERCHANGEABLE
ROD,DISCHARGE PISTO
7704
6625-01-287-8560INTERCHANGEABLE
OSCILLOSCOPE
7704
3110-01-313-4884INTERCHANGEABLE
BEARING,BALL,ANNULAR
7704
7530-01-610-6875INTERCHANGEABLE
PAPER,COPYING,XEROGRAPHIC PROCES
7704

Frequently Asked Questions

What is NSN 4730-01-386-4423?

NSN 4730-01-386-4423 is a Plug,tube Repair,expanding, manufactured by Barnes Group Inc. Dba Barnes Distribution, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-386-4423?

NSN 4730-01-386-4423 has 1 cross-referenced part number: 7704 (Barnes Group Inc. Dba Barnes Distribution).

What NSN replaces 4730-01-386-4423?

There are 12 known substitutes for 4730-01-386-4423: 2825-00-175-8848, 3455-00-238-9079, 4820-00-272-3347 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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