PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18-1705Reducer,pipe

Ftg Inc · NSN 4730-01-447-6193 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-447-6193 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-447-6193. Primary manufacturer part number: 18-1705.
Features
  • Reducer,pipe — FSC 4730
  • Connection Type: THREADED EXTERNAL PIPE ALL ENDS
  • Nominal Thread Size: 0.500 INCHES SECOND END IN
  • Connection Style: PLAIN (PIPE) ALL ENDS
  • Nominal Thread Size: 0.750 INCHES FIRST END IN
  • Surface Treatment: ZINC OVERALL
  • Thread Series Designator: NPT ALL ENDS
  • Reducer Type: CONCENTRIC
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-01-447-6193, 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 Ftg Inc. Government technical data includes 8 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-447-6193
Primary Part Number18-1705
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFtg Inc
StatusACTIVE
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
Nominal Thread Size0.500 INCHES SECOND END IN
Connection StylePLAIN (PIPE) ALL ENDS
Nominal Thread Size0.750 INCHES FIRST END IN
Surface TreatmentZINC OVERALL
Thread Series DesignatorNPT ALL ENDS
Reducer TypeCONCENTRIC
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-018-1705 INTERCHANGEABLE
Screw,cap,hexagon Head
5961-00-807-7835 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
18-1705 Parker-Hannifin Corporation Dba Racor Division Div Racor Division (USA)
18-1705 PRIMARY Ftg Inc (USA)
Related Parts
5305-00-018-1705INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5961-00-807-7835INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 4730-01-447-6193?

NSN 4730-01-447-6193 is a Reducer,pipe, manufactured by Ftg Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-447-6193?

NSN 4730-01-447-6193 has 2 cross-referenced part numbers: 18-1705 (Parker-Hannifin Corporation Dba Racor Division Div Racor Division), 18-1705 (Ftg Inc).

What NSN replaces 4730-01-447-6193?

There are 2 known substitutes for 4730-01-447-6193: 5305-00-018-1705, 5961-00-807-7835. Verify interchangeability with system specifications before substitution.

What are the specifications of 18-1705?

Key specifications for 18-1705: Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Nominal Thread Size: 0.500 INCHES SECOND END IN; Connection Style: PLAIN (PIPE) ALL ENDS; Nominal Thread Size: 0.750 INCHES FIRST END IN. 9 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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