NSN 4730-01-666-0521 · NIIN 016660521 · Part number UP 20089
Napa Auto Parts · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 09FG3
Government record, cited
NSN 4730-01-666-0521 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-666-0521. Manufacturer of record part number: UP 20089.
Also searched as4730-01-666-0521 ·
4730016660521 ·
NIIN 016660521 ·
01-666-0521 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 09FG3 · UP 20089 · 3897801
4730-01-666-0521 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Bolt,fluid Passage — FSC 4730
2 manufacturer part numbers on file
Manufacturer of record: Napa Auto Parts
Identification
NSN: 4730-01-666-0521
NIIN: 016660521
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: UP 20089
Manufacturer: Napa Auto Parts
General Description
The Bolt,fluid Passage, cataloged under National Stock Number 4730-01-666-0521, 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 Napa Auto Parts. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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 4730-01-666-0521?
NSN 4730-01-666-0521 is a Bolt,fluid Passage, manufactured by Napa Auto Parts, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-666-0521?
NSN 4730-01-666-0521 has 2 manufacturer part numbers on file: 3897801 (Oshkosh Defense Llc), UP 20089 (Napa Auto Parts).
Is NSN 4730-01-666-0521 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.