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NSN 4730-01-665-4571Government record, cited

Nut, Union4730-01-665-4571

NSN 4730-01-665-4571 · NIIN 016654571 · Part number DNA-6-SS
Bilok Ihara Corp · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 066R0
Government record, cited
NSN 4730-01-665-4571 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-665-4571. Manufacturer of record part number: DNA-6-SS.
Also searched as  4730-01-665-4571 · 4730016654571 · NIIN 016654571 · 01-665-4571 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 066R0 · DNA-6-SS · 738049
Nearby stock numbers  ·
Features
  • Nut,union — FSC 4730
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Bilok Ihara Corp
Identification
  • NSN: 4730-01-665-4571
  • NIIN: 016654571
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: DNA-6-SS
  • Manufacturer: Bilok Ihara Corp
General Description

The Nut,union, cataloged under National Stock Number 4730-01-665-4571, 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 Bilok Ihara Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts
Item NameNut,union
FSC / FSG4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47)
ManufacturersBilok Ihara Corp (CAGE 066R0); Rademacher Inc Dba Cincinnati Valve & Fitting Co (CAGE 5A292)
Technical Specifications
ParameterValue
NSN4730-01-665-4571
Primary Part NumberDNA-6-SS
Item NameNut,union
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerBilok Ihara Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 1
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-665-4579DOF-6-SS POSSIBLE MATCH
FERRULE,COMPRESSION,TUBE FITTING
Possible match (shared part number)Bilok Ihara Corp
Cross-Reference Index
Part NumberManufacturer
DNA-6-SS PRIMARY Bilok Ihara Corp (USA)
DNA-6-SS Rademacher Inc Dba Cincinnati Valve & Fitting Co (USA)
Reference documents
ReferenceMeaning
738049 D/9 Drawing number reference only
U.S. Government activity
Related Parts
4730-01-665-4579POSSIBLE MATCH
FERRULE,COMPRESSION,TUBE FITTING
DOF-6-SS

Frequently Asked Questions

What is NSN 4730-01-665-4571?

NSN 4730-01-665-4571 is a Nut,union, manufactured by Bilok Ihara Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-665-4571?

NSN 4730-01-665-4571 has 2 manufacturer part numbers on file: DNA-6-SS (Bilok Ihara Corp), DNA-6-SS (Rademacher Inc Dba Cincinnati Valve & Fitting Co).

What NSN replaces 4730-01-665-4571?

1 possible match (shared part number, not a government interchangeability claim): 4730-01-665-4579. Verify interchangeability with system specifications before substitution.

Is NSN 4730-01-665-4571 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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