PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C20639Coupling,hose

Hydrasearch Company, Llc · NSN 4730-01-516-4813 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-516-4813 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-516-4813. Primary manufacturer part number: C20639.
Features
  • Coupling,hose — FSC 4730
  • 2 verified cross-references
  • Primary manufacturer: Hydrasearch Company, Llc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Coupling,hose, cataloged under National Stock Number 4730-01-516-4813, 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 Hydrasearch Company, Llc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCoupling,hose
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersHydrasearch Company, Llc (CAGE 32142)
Technical Specifications
ParameterValue
NSN4730-01-516-4813
Primary Part NumberC20639
Item NameCoupling,hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHydrasearch Company, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6130-00-230-70966RS5GH26 INTERCHANGEABLE
Rectifier,metallic
Dean Technology Inc. Dba Cke
5133-00-266-9245 INTERCHANGEABLE
Drill,twist
4720-00-427-550820639 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5955-00-623-727120639 INTERCHANGEABLE
Oscillator,crystal Controlled
Sigma Tek, Inc.
5330-00-684-594220639 INTERCHANGEABLE
Gasket
Avox Systems Inc Dba Avox Systems Inc
5365-00-868-687620639 INTERCHANGEABLE
Shim
Cadillac Gage Textron Inc.
5935-01-234-7138MS3452W22-5P INTERCHANGEABLE
Connector,receptacle,electrical
Sae International Dba Sae International
1650-01-436-109220639 INTERCHANGEABLE
Holder,linear Actuator Piston Fi
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
Cross-Reference Index
Part NumberManufacturer
20639 Hydrasearch Company, Llc (USA)
C20639 PRIMARY Hydrasearch Company, Llc (USA)
Related Parts
6130-00-230-7096INTERCHANGEABLE
RECTIFIER,METALLIC
6RS5GH26
5133-00-266-9245INTERCHANGEABLE
DRILL,TWIST
4720-00-427-5508INTERCHANGEABLE
HOSE,PREFORMED
20639
5955-00-623-7271INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
20639
5330-00-684-5942INTERCHANGEABLE
GASKET
20639
5365-00-868-6876INTERCHANGEABLE
SHIM
20639
5935-01-234-7138INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
MS3452W22-5P
1650-01-436-1092INTERCHANGEABLE
HOLDER,LINEAR ACTUATOR PISTON FI
20639

Frequently Asked Questions

What is NSN 4730-01-516-4813?

NSN 4730-01-516-4813 is a Coupling,hose, manufactured by Hydrasearch Company, Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-516-4813?

NSN 4730-01-516-4813 has 2 cross-referenced part numbers: 20639 (Hydrasearch Company, Llc), C20639 (Hydrasearch Company, Llc).

What NSN replaces 4730-01-516-4813?

There are 8 known substitutes for 4730-01-516-4813: 6130-00-230-7096, 5133-00-266-9245, 4720-00-427-5508 and 5 more. Verify interchangeability with system specifications before substitution.

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