PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5523Elbow,pipe to Tube

Miller Electric Mfg. Llc · NSN 4730-01-566-0029 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-566-0029 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-566-0029. Primary manufacturer part number: 5523.
Features
  • Elbow,pipe to Tube — FSC 4730
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • 2 verified cross-references
  • Primary manufacturer: Miller Electric Mfg. Llc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Elbow,pipe to Tube, cataloged under National Stock Number 4730-01-566-0029, 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 Miller Electric Mfg. Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-566-0029
Primary Part Number5523
Item NameElbow,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMiller Electric Mfg. Llc
StatusACTIVE
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5975-00-065-39045523 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
3110-00-144-8482 INTERCHANGEABLE
Bearing,ball,annular
5315-00-198-5974MS24692-250 INTERCHANGEABLE
Pin,tapered,plain
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5920-00-281-0225 INTERCHANGEABLE
Fuse,cartridge
5940-00-581-7899263-093 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
1650-00-627-65795523 INTERCHANGEABLE
Parts Kit,valve,fil
Hydro-Aire Aerospace Corp
5985-01-155-2926 INTERCHANGEABLE
Waveguide Assembly
6625-01-172-60515523 INTERCHANGEABLE
Test Clip Kit
Fluke Electronics Corp
5998-01-195-32085523 INTERCHANGEABLE
Circuit Card Assembly
Data Device Corp Dba Beta Transformer Technology
3040-01-307-6156 INTERCHANGEABLE
Roller,clutch
Cross-Reference Index
Part NumberManufacturer
5523 Miller Electric Mfg. Co. (USA)
5523 PRIMARY Miller Electric Mfg. Llc (USA)
Related Parts
5975-00-065-3904INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5523
3110-00-144-8482INTERCHANGEABLE
BEARING,BALL,ANNULAR
5315-00-198-5974INTERCHANGEABLE
PIN,TAPERED,PLAIN
MS24692-250
5920-00-281-0225INTERCHANGEABLE
FUSE,CARTRIDGE
5940-00-581-7899INTERCHANGEABLE
TERMINAL,LUG
263-093
1650-00-627-6579INTERCHANGEABLE
PARTS KIT,VALVE,FIL
5523
5985-01-155-2926INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
6625-01-172-6051INTERCHANGEABLE
TEST CLIP KIT
5523
5998-01-195-3208INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5523
3040-01-307-6156INTERCHANGEABLE
ROLLER,CLUTCH
7530-01-498-9208INTERCHANGEABLE
LABEL
5523

Frequently Asked Questions

What is NSN 4730-01-566-0029?

NSN 4730-01-566-0029 is a Elbow,pipe to Tube, manufactured by Miller Electric Mfg. Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-566-0029?

NSN 4730-01-566-0029 has 2 cross-referenced part numbers: 5523 (Miller Electric Mfg. Co.), 5523 (Miller Electric Mfg. Llc).

What NSN replaces 4730-01-566-0029?

There are 11 known substitutes for 4730-01-566-0029: 5975-00-065-3904, 3110-00-144-8482, 5315-00-198-5974 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5523?

Key specifications for 5523: Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN; End Item Identification: WELDING MACHINE, TIG; Connection Type: THREADED EXTERNAL TUBE FIRST END; Part Name Assigned by Controlling Agency: FTG, HOSE BRS BARBED ELBOW M 3/8 TBG X 3/8 NPT. 4 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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