PartsTable TECHNICAL DATA SHEET
NSN 4730-01-346-9719Government record, cited

Adapter, Straight, Pipe to Hose4730-01-346-9719

NSN 4730-01-346-9719 · NIIN 013469719 · Part number ST20
Dixon Valve & Coupling Company, Llc Div Dixon Fire · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 72661
Government record, cited
NSN 4730-01-346-9719 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-346-9719. Manufacturer of record part number: ST20.
Also searched as  4730-01-346-9719 · 4730013469719 · NIIN 013469719 · 01-346-9719 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 72661 · ST20
Nearby stock numbers  ·
Features
  • Adapter,straight,pipe to Hose — FSC 4730
  • Connection Style: BARBED OR BEADED (HOSE) SECOND END
  • Connection Style: PLAIN (PIPE) FIRST END
  • Nominal Inside Diameter Hose Accommodated: 1.500 INCHES SECOND END IN
  • Nominal Overall Length: 1.500 INCHES IN
  • Connection Type: UNTHREADED EXTERNAL HOSE SECOND END
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Nominal Thread Size: 1.500 INCHES FIRST END IN
Identification
  • NSN: 4730-01-346-9719
  • NIIN: 013469719
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: ST20
  • Manufacturer: Dixon Valve & Coupling Company, Llc Div Dixon Fire
General Description

The Adapter,straight,pipe to Hose, cataloged under National Stock Number 4730-01-346-9719, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Dixon Valve & Coupling Company, Llc Div Dixon Fire. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-346-9719
Primary Part NumberST20
Item NameAdapter,straight,pipe to Hose
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerDixon Valve & Coupling Company, Llc Div Dixon Fire
StatusACTIVE
Connection StyleBARBED OR BEADED (HOSE) SECOND END
Connection StylePLAIN (PIPE) FIRST END
Nominal Inside Diameter Hose Accommodated1.500 INCHES SECOND END IN
Nominal Overall Length1.500 INCHES IN
Connection TypeUNTHREADED EXTERNAL HOSE SECOND END
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Nominal Thread Size1.500 INCHES FIRST END IN
MaterialSTEEL OVERALL
Thread Series DesignatorNPT FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3439-01-428-2434 POSSIBLE MATCH
SOLDERING SYSTEM,ELECTRONIC COMP
Possible match (shared part number)
6685-01-480-2988ST652 POSSIBLE MATCH
THERMOMETER,INFRARED
Possible match (shared part number)Kessler Thermometer Corp Dba Kessler Thermometers Corp
6117-01-529-7221ST20 POSSIBLE MATCH
SOLAR CELL PANEL
Possible match (shared part number)Solarworld Industries America Lp Dba Foreign Parent Is Solarworld Ag Bonn Germany.
3416-01-654-9301ST-20 POSSIBLE MATCH
LATHE,TURRET,HORIZONTAL
Possible match (shared part number)Haas Automation Inc
3416-01-698-8832A-A-60024-225 POSSIBLE MATCH
LATHE,ENGINE
Possible match (shared part number)Warner Robins Air Logistics Center
6625-01-708-2923ST20 POSSIBLE MATCH
METER,CONDUCTIVITY
Possible match (shared part number)Ohaus Corporation
Cross-Reference Index
Part NumberManufacturer
ST20 PRIMARY Dixon Valve & Coupling Company, Llc Div Dixon Fire (USA)
Related Parts
3439-01-428-2434POSSIBLE MATCH
SOLDERING SYSTEM,ELECTRONIC COMP
6685-01-480-2988POSSIBLE MATCH
THERMOMETER,INFRARED
ST652
6117-01-529-7221POSSIBLE MATCH
SOLAR CELL PANEL
ST20
3416-01-654-9301POSSIBLE MATCH
LATHE,TURRET,HORIZONTAL
ST-20
3416-01-698-8832POSSIBLE MATCH
LATHE,ENGINE
A-A-60024-225
6625-01-708-2923POSSIBLE MATCH
METER,CONDUCTIVITY
ST20

Frequently Asked Questions

What is NSN 4730-01-346-9719?

NSN 4730-01-346-9719 is a Adapter,straight,pipe to Hose, manufactured by Dixon Valve & Coupling Company, Llc Div Dixon Fire, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-346-9719?

NSN 4730-01-346-9719 has 1 manufacturer part number on file: ST20 (Dixon Valve & Coupling Company, Llc Div Dixon Fire).

What NSN replaces 4730-01-346-9719?

6 possible matches (shared part number, not a government interchangeability claim): 3439-01-428-2434, 6685-01-480-2988, 6117-01-529-7221. Verify interchangeability with system specifications before substitution.

What are the specifications of ST20?

Key specifications for ST20: Connection Style: BARBED OR BEADED (HOSE) SECOND END; Connection Style: PLAIN (PIPE) FIRST END; Nominal Inside Diameter Hose Accommodated: 1.500 INCHES SECOND END IN; Nominal Overall Length: 1.500 INCHES IN. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-346-9719 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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