NSN 4730-01-522-0684 · NIIN 015220684 · Part number 803-7063850-N1X3-3
Naval Sea Systems Command · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 53711
Government record, cited
NSN 4730-01-522-0684 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-522-0684. Manufacturer of record part number: 803-7063850-N1X3-3.
Also searched as4730-01-522-0684 ·
4730015220684 ·
NIIN 015220684 ·
01-522-0684 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 53711 · 803-7063850-N1X3-3 · 803-7063850-N1X3
4730-01-522-0684 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Tailpiece,union — FSC 4730
Nominal Pipe Size Designation: 0.250 INCHES IN
Flange Thickness: 0.140 INCHES NOMINAL IN
End Connection Type: WELDED
Seat Type: GASKET
Material: NICKEL ALLOY
Flange Outside Diameter: 0.874 INCHES NOMINAL IN
1 manufacturer part number on file
Identification
NSN: 4730-01-522-0684
NIIN: 015220684
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 803-7063850-N1X3-3
Manufacturer: Naval Sea Systems Command
General Description
The Tailpiece,union, cataloged under National Stock Number 4730-01-522-0684, 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 Naval Sea Systems Command. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 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 4730-01-522-0684?
NSN 4730-01-522-0684 is a Tailpiece,union, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-522-0684?
NSN 4730-01-522-0684 has 1 manufacturer part number on file: 803-7063850-N1X3-3 (Naval Sea Systems Command).
What are the specifications of 803-7063850-N1X3-3?
Key specifications for 803-7063850-N1X3-3: Nominal Pipe Size Designation: 0.250 INCHES IN; Flange Thickness: 0.140 INCHES NOMINAL IN; End Connection Type: WELDED; Overall Length: 0.874 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-522-0684 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.