PartsTable TECHNICAL DATA SHEET
NSN 4730-01-591-0778Government record, cited

Adapter, Straight, Pipe to Tube4730-01-591-0778

NSN 4730-01-591-0778 · NIIN 015910778 · Part number 5111K204
Mcmaster-Carr Supply Co · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 39428
Government record, cited
NSN 4730-01-591-0778 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-591-0778. Manufacturer of record part number: 5111K204.
Also searched as  4730-01-591-0778 · 4730015910778 · NIIN 015910778 · 01-591-0778 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 39428 · 5111K204
Nearby stock numbers  ·
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Operating Pressure: 145.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Maximum Operating Temp: 104.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Media for Which Designed: WATER SECOND RESPONSE
  • Media for Which Designed: AIR FIRST RESPONSE
  • Material: COPPER ALLOY OVERALL
  • 1 manufacturer part number on file
  • Manufacturer of record: Mcmaster-Carr Supply Co
Identification
  • NSN: 4730-01-591-0778
  • NIIN: 015910778
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 5111K204
  • Manufacturer: Mcmaster-Carr Supply Co
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-591-0778, 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 Mcmaster-Carr Supply Co. Government technical data includes 5 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-591-0778
Primary Part Number5111K204
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerMcmaster-Carr Supply Co
StatusACTIVE
Operating Pressure145.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp104.0 FAHRENHEIT SINGLE RESPONSE DEGF
Media for Which DesignedWATER SECOND RESPONSE
Media for Which DesignedAIR FIRST RESPONSE
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
5111K204 PRIMARY Mcmaster-Carr Supply Co (USA)
No interchangeability data on file.
Other items in FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895
4730-00-000-1895 · Item name not on file
4730-00-000-4289
4730-00-000-4289 · Item name not on file
4730-00-000-4445
4730-00-000-4445 · Item name not on file
4730-00-000-8373
4730-00-000-8373 · Item name not on file
4730-00-000-8897
4730-00-000-8897 · Item name not on file
4730-00-001-0007
4730-00-001-0007 · Item name not on file
4730-00-001-0008
COUPLING,TUBE
4730-00-001-0008
COUPLING,TUBE

Frequently Asked Questions

What is NSN 4730-01-591-0778?

NSN 4730-01-591-0778 is a Adapter,straight,pipe to Tube, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-591-0778?

NSN 4730-01-591-0778 has 1 manufacturer part number on file: 5111K204 (Mcmaster-Carr Supply Co).

What are the specifications of 5111K204?

Key specifications for 5111K204: Operating Pressure: 145.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Maximum Operating Temp: 104.0 FAHRENHEIT SINGLE RESPONSE DEGF; Media for Which Designed: WATER SECOND RESPONSE; Media for Which Designed: AIR FIRST RESPONSE. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-591-0778 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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