PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C20638Coupling,hose

Hydrasearch Company, Llc · NSN 4730-01-517-1508 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-517-1508 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-517-1508. Primary manufacturer part number: C20638.
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 4730-01-517-1508, 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
NSN4730-01-517-1508
Primary Part NumberC20638
Item NameCoupling,hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHydrasearch Company, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5133-00-227-9666 INTERCHANGEABLE
Drill,twist
5133-00-266-9246 INTERCHANGEABLE
Drill,twist
2530-00-352-6962808769 INTERCHANGEABLE
Brake Drum
Am General Llc
4320-00-797-970820638 INTERCHANGEABLE
Impeller,pump,centrifugal
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5961-00-845-6455 INTERCHANGEABLE
Transistor
1005-00-868-687511644086 INTERCHANGEABLE
Plate,brake
U S Army Tank Automotive Command Amsta-Im-Mm
4320-01-231-482120638 INTERCHANGEABLE
Piston,stroking
Parker Hannifin Corporation Div Hydraulic Systems Division
5975-01-368-1114206-38 INTERCHANGEABLE
Conduit Assembly,metal,flexible
Dcx-Chol Enterprises, Inc.
Cross-Reference Index
Part NumberManufacturer
20638 Hydrasearch Company, Llc (USA)
C20638 PRIMARY Hydrasearch Company, Llc (USA)
Related Parts
5133-00-227-9666INTERCHANGEABLE
DRILL,TWIST
5133-00-266-9246INTERCHANGEABLE
DRILL,TWIST
2530-00-352-6962INTERCHANGEABLE
BRAKE DRUM
808769
4320-00-797-9708INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
20638
5961-00-845-6455INTERCHANGEABLE
TRANSISTOR
1005-00-868-6875INTERCHANGEABLE
PLATE,BRAKE
11644086
4320-01-231-4821INTERCHANGEABLE
PISTON,STROKING
20638
5975-01-368-1114INTERCHANGEABLE
CONDUIT ASSEMBLY,METAL,FLEXIBLE
206-38

Frequently Asked Questions

What is NSN 4730-01-517-1508?

NSN 4730-01-517-1508 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 4730-01-517-1508?

NSN 4730-01-517-1508 has 2 cross-referenced part numbers: 20638 (Hydrasearch Company, Llc), C20638 (Hydrasearch Company, Llc).

What NSN replaces 4730-01-517-1508?

There are 8 known substitutes for 4730-01-517-1508: 5133-00-227-9666, 5133-00-266-9246, 2530-00-352-6962 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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