PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53768Reducer,pipe

Hydro-Test Products, Inc. Dba Hydro-Test Products Inc · NSN 4730-00-424-3015 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-424-3015 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-424-3015. Primary manufacturer part number: 53768.
Features
  • Reducer,pipe — FSC 4730
  • Nominal Thread Size: 0.500 INCHES SECOND END IN
  • Material Document and Classification: SAE 72 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Connection Style: PLAIN (PIPE) FIRST END
  • Thread Series Designator: NPT FIRST END
  • Nominal Thread Size: 0.250 INCHES FIRST END IN
  • Nominal Overall Length: 1.906 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 360 Overall construction
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-00-424-3015, 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 Hydro-Test Products, Inc. Dba Hydro-Test Products Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-424-3015
Primary Part Number53768
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHydro-Test Products, Inc. Dba Hydro-Test Products Inc
StatusACTIVE
Nominal Thread Size0.500 INCHES SECOND END IN
Material Document and ClassificationSAE 72 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Connection StylePLAIN (PIPE) FIRST END
Thread Series DesignatorNPT FIRST END
Nominal Thread Size0.250 INCHES FIRST END IN
Nominal Overall Length1.906 INCHES IN
Connection TypeTHREADED INTERNAL PIPE FIRST END
Thread Series DesignatorNPT SECOND END
Connection StylePLAIN (PIPE) SECOND END
MaterialCOPPER ALLOY 360 OVERALL
Nominal Pipe Size Accommodated0.500 INCHES SECOND END IN
Nominal Pipe Size Accommodated0.250 INCHES FIRST END IN
Reducer TypeCONCENTRIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4720-00-079-5877A148-25 INTERCHANGEABLE
Hose,preformed
Crane Carrier Company, Llc
5998-01-032-9689 INTERCHANGEABLE
Circuit Card Assembly
4940-01-355-8467 INTERCHANGEABLE
Testing Tool,tube
4730-01-562-011153768 INTERCHANGEABLE
Bushing,hose
Allied Systems Company Dba Allied Systems Co
Cross-Reference Index
Part NumberManufacturer
A54401 Fyr-Fyter Co Inc (USA)
53768 Fyr-Fyter Co Inc (USA)
100-554 Hydro-Test Products, Inc. Dba Hydro-Test Products Inc (USA)
53768 PRIMARY Hydro-Test Products, Inc. Dba Hydro-Test Products Inc (USA)
Related Parts
4720-00-079-5877INTERCHANGEABLE
HOSE,PREFORMED
A148-25
5998-01-032-9689INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4940-01-355-8467INTERCHANGEABLE
TESTING TOOL,TUBE
4730-01-562-0111INTERCHANGEABLE
BUSHING,HOSE
53768

Frequently Asked Questions

What is NSN 4730-00-424-3015?

NSN 4730-00-424-3015 is a Reducer,pipe, manufactured by Hydro-Test Products, Inc. Dba Hydro-Test Products Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-424-3015?

NSN 4730-00-424-3015 has 4 cross-referenced part numbers: A54401 (Fyr-Fyter Co Inc), 53768 (Fyr-Fyter Co Inc), 100-554 (Hydro-Test Products, Inc. Dba Hydro-Test Products Inc), 53768 (Hydro-Test Products, Inc. Dba Hydro-Test Products Inc).

What NSN replaces 4730-00-424-3015?

There are 4 known substitutes for 4730-00-424-3015: 4720-00-079-5877, 5998-01-032-9689, 4940-01-355-8467 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53768?

Key specifications for 53768: Nominal Thread Size: 0.500 INCHES SECOND END IN; Material Document and Classification: SAE 72 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Connection Type: THREADED EXTERNAL PIPE SECOND END; Connection Style: PLAIN (PIPE) FIRST END. 14 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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