PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet
MRO / Pipe, Tubing, Hose, and Fittings / 4730-00-475-8593

3704Coupling,pipe

George Fischer Sloane, Inc. · NSN 4730-00-475-8593 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-475-8593 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-475-8593. Primary manufacturer part number: 3704.
L 3.346 INCHES IN NPT FIRST END HOSE FITTING
4730-00-475-8593 — No Item Name Available illustration
Features
  • Coupling,pipe — FSC 4730
  • Nominal Pipe Size Accommodated: 4.000 INCHES SECOND END IN
  • Material: PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
  • Style Designator: PLAIN
  • Nominal Overall Length: 3.346 INCHES IN
  • Nominal Thread Size: 4.000 INCHES FIRST END IN
  • Connection Type: THREADED INTERNAL PIPE FIRST END
  • Connection Style: PLAIN (PIPE) FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Plastic Polyvinyl Chloride (pvc) Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-00-475-8593, 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 George Fischer Sloane, Inc.. Government technical data includes 10 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-475-8593
Primary Part Number3704
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerGeorge Fischer Sloane, Inc.
StatusACTIVE
Nominal Pipe Size Accommodated4.000 INCHES SECOND END IN
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
Style DesignatorPLAIN
Nominal Overall Length3.346 INCHES IN
Nominal Thread Size4.000 INCHES FIRST END IN
Connection TypeTHREADED INTERNAL PIPE FIRST END
Connection StylePLAIN (PIPE) FIRST END
Connection StylePLAIN (PIPE) SECOND END
Connection TypeUNTHREADED EXTERNAL PIPE SECOND END
Thread Series DesignatorNPT FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 12
3020-00-528-0557 INTERCHANGEABLE
Pulley,cone
2805-00-535-667801704 INTERCHANGEABLE
Guide,valve Stem
Safeguard Powertech Systems
2915-00-613-25233704 INTERCHANGEABLE
Connector,shield
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5995-00-665-09497071420 INTERCHANGEABLE
Cable Assembly,special Purpose,e
U S Army Tank Automotive Command Amsta-Im-Mm
3040-00-790-26893704 INTERCHANGEABLE
Shaft,shouldered
Coffin Turbo Pump Inc
4820-01-026-651878612394-3 INTERCHANGEABLE
Valve,linear,directional Control
Kalmar AC Inc
6515-01-040-97923704 INTERCHANGEABLE
Tube,connecting,surgical Apparat
Davol Inc
5998-01-043-10033704 INTERCHANGEABLE
Circuit Card Assembly
Data Device Corp Dba Beta Transformer Technology
5315-01-108-85913704 INTERCHANGEABLE
Pin,shoulder,headless
Kearflex Engineering Company
4730-01-118-8278 INTERCHANGEABLE
Clamp,hose
Cross-Reference Index
Part NumberManufacturer
3704 George Fischer Sloane, Inc. (USA)
ASTM D2665 American Society for Testing and Materials Dba Astm International (USA)
Related Parts
3020-00-528-0557INTERCHANGEABLE
PULLEY,CONE
2805-00-535-6678INTERCHANGEABLE
GUIDE,VALVE STEM
01704
2915-00-613-2523INTERCHANGEABLE
CONNECTOR,SHIELD
3704
5995-00-665-0949INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
7071420
3040-00-790-2689INTERCHANGEABLE
SHAFT,SHOULDERED
3704
4820-01-026-6518INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
78612394-3
6515-01-040-9792INTERCHANGEABLE
TUBE,CONNECTING,SURGICAL APPARAT
3704
5998-01-043-1003INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3704
5315-01-108-8591INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
3704
4730-01-118-8278INTERCHANGEABLE
CLAMP,HOSE
4130-01-159-5235INTERCHANGEABLE
COMPRESSOR,REFRIGERATION
4730-01-608-4178INTERCHANGEABLE
CLAMP,HOSE
3704

Frequently Asked Questions

What is NSN 4730-00-475-8593?

NSN 4730-00-475-8593 is a Coupling,pipe, manufactured by George Fischer Sloane, Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-475-8593?

NSN 4730-00-475-8593 has 2 cross-referenced part numbers: 3704 (George Fischer Sloane, Inc.), ASTM D2665 (American Society for Testing and Materials Dba Astm International).

What NSN replaces 4730-00-475-8593?

There are 12 known substitutes for 4730-00-475-8593: 3020-00-528-0557, 2805-00-535-6678, 2915-00-613-2523 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3704?

Key specifications for 3704: Nominal Pipe Size Accommodated: 4.000 INCHES SECOND END IN; Material: PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL; Style Designator: PLAIN; Nominal Overall Length: 3.346 INCHES IN. 10 total characteristics are documented in the Federal Logistics Information System.

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