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NSN 4730-01-256-3586Government record, cited

Coupling, Hose4730-01-256-3586

NSN 4730-01-256-3586 · NIIN 012563586 · Part number BU03-04MB
Amfs American Fleet Services · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 0L8N4
Government record, cited
NSN 4730-01-256-3586 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-256-3586. Manufacturer of record part number: BU03-04MB.
Also searched as  4730-01-256-3586 · 4730012563586 · NIIN 012563586 · 01-256-3586 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 0L8N4 · BU03-04MB
Nearby stock numbers  ·
Features
  • Coupling,hose — FSC 4730
  • Nominal Inside Diameter Hose Accommodated: 0.188 INCHES SECOND END IN
  • Nominal Overall Length: 1.810 INCHES IN
  • Nominal Thread Size: 0.250 INCHES FIRST END IN
  • Thread Series Designator: NPTF FIRST END
  • 1 manufacturer part number on file
  • Manufacturer of record: Amfs American Fleet Services
Identification
  • NSN: 4730-01-256-3586
  • NIIN: 012563586
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: BU03-04MB
  • Manufacturer: Amfs American Fleet Services
General Description

The Coupling,hose, cataloged under National Stock Number 4730-01-256-3586, 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 Amfs American Fleet Services. Government technical data includes 4 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
NSN4730-01-256-3586
Primary Part NumberBU03-04MB
Item NameCoupling,hose
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerAmfs American Fleet Services
StatusACTIVE
Nominal Inside Diameter Hose Accommodated0.188 INCHES SECOND END IN
Nominal Overall Length1.810 INCHES IN
Nominal Thread Size0.250 INCHES FIRST END IN
Thread Series DesignatorNPTF FIRST END
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
BU03-04MB PRIMARY Amfs American Fleet Services (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 4730-01-256-3586?

NSN 4730-01-256-3586 is a Coupling,hose, manufactured by Amfs American Fleet Services, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-256-3586?

NSN 4730-01-256-3586 has 1 manufacturer part number on file: BU03-04MB (Amfs American Fleet Services).

What are the specifications of BU03-04MB?

Key specifications for BU03-04MB: Nominal Inside Diameter Hose Accommodated: 0.188 INCHES SECOND END IN; Nominal Overall Length: 1.810 INCHES IN; Nominal Thread Size: 0.250 INCHES FIRST END IN; Thread Series Designator: NPTF FIRST END. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-256-3586 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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