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NSN 4730-01-529-1391Government record, cited

Reducer, Tube4730-01-529-1391

NSN 4730-01-529-1391 · NIIN 015291391 · Part number 6KK586
Oshkosh Defense Llc · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 75Q65
Government record, cited
NSN 4730-01-529-1391 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-529-1391. Manufacturer of record part number: 6KK586.
Also searched as  4730-01-529-1391 · 4730015291391 · NIIN 015291391 · 01-529-1391 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 75Q65 · 6KK586 · 8-6 TRTXN
Nearby stock numbers  ·
Features
  • Reducer,tube — FSC 4730
  • Connection Style: DOUBLE COMPRESSION (TUBE) SECOND END
  • Nominal Overall Length: 1.630 INCHES IN
  • Connection Type: THREADED INTERNAL TUBE SECOND END
  • Nominal Outside Diameter Tube Accommodated: 0.500 INCHES SECOND END IN
  • Reduced Passage Nominal Inside Diameter: 0.297 INCHES FIRST END IN
  • Nominal Thread Size: 0.750 INCHES SECOND END IN
  • Seat Angle: 37.0 DEGREES FIRST END
Identification
  • NSN: 4730-01-529-1391
  • NIIN: 015291391
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 6KK586
  • Manufacturer: Oshkosh Defense Llc
General Description

The Reducer,tube, cataloged under National Stock Number 4730-01-529-1391, 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 Oshkosh Defense Llc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-529-1391
Primary Part Number6KK586
Item NameReducer,tube
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerOshkosh Defense Llc
StatusACTIVE
Connection StyleDOUBLE COMPRESSION (TUBE) SECOND END
Nominal Overall Length1.630 INCHES IN
Connection TypeTHREADED INTERNAL TUBE SECOND END
Nominal Outside Diameter Tube Accommodated0.500 INCHES SECOND END IN
Reduced Passage Nominal Inside Diameter0.297 INCHES FIRST END IN
Nominal Thread Size0.750 INCHES SECOND END IN
Seat Angle37.0 DEGREES FIRST END
Thread Class2A SECOND END A
MaterialCOPPER ALLOY OR STEEL OR STEEL CORROSION RESISTING OVERALL
Thread Series DesignatorUNF SECOND END
Reducer TypeCONCENTRIC
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
6KK586 PRIMARY Oshkosh Defense Llc (USA)
8-6 TRTXN Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
Reference documents
ReferenceMeaning
6KK586 5/9 Secondary reference
Oshkosh Corp
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 4730-01-529-1391?

NSN 4730-01-529-1391 is a Reducer,tube, manufactured by Oshkosh Defense Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-529-1391?

NSN 4730-01-529-1391 has 2 manufacturer part numbers on file: 6KK586 (Oshkosh Defense Llc), 8-6 TRTXN (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).

What are the specifications of 6KK586?

Key specifications for 6KK586: Connection Style: DOUBLE COMPRESSION (TUBE) SECOND END; Nominal Overall Length: 1.630 INCHES IN; Connection Type: THREADED INTERNAL TUBE SECOND END; Nominal Outside Diameter Tube Accommodated: 0.500 INCHES SECOND END IN. 11 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-529-1391 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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