NSN 4730-01-684-8857 · NIIN 016848857 · Part number 801-6405473ASSY78
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 4730-01-684-8857 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-684-8857. Manufacturer of record part number: 801-6405473ASSY78.
Also searched as4730-01-684-8857 ·
4730016848857 ·
NIIN 016848857 ·
01-684-8857 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 53711 · 801-6405473ASSY78 · DF330778ASSY78
4730-01-684-8857 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Outlet,boss — FSC 4730
Nominal Length: 1.00 INCHES FIRST END IN
Nominal Thread Size: 0.438 INCHES FIRST END IN
Thread Quantity Per Inch: 20 FIRST END
Material: STEEL OVERALL
Thread Series Designator: UNF FIRST END
2 manufacturer part numbers on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 4730-01-684-8857
NIIN: 016848857
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 801-6405473ASSY78
Manufacturer: Naval Sea Systems Command
General Description
The Outlet,boss, cataloged under National Stock Number 4730-01-684-8857, 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 5 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. Current acquisition status: Active.
Huntington Ingalls Inc Div Newport News Shipbuilding (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 4730-01-684-8857?
NSN 4730-01-684-8857 is a Outlet,boss, 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 4730-01-684-8857?
NSN 4730-01-684-8857 has 2 manufacturer part numbers on file: 801-6405473ASSY78 (Naval Sea Systems Command), DF330778ASSY78 (Huntington Ingalls Inc Div Newport News Shipbuilding).
What are the specifications of 801-6405473ASSY78?
Key specifications for 801-6405473ASSY78: Nominal Length: 1.00 INCHES FIRST END IN; Nominal Thread Size: 0.438 INCHES FIRST END IN; Part Name Assigned by Controlling Agency: BOSS ASSEMBLY; Thread Quantity Per Inch: 20 FIRST END. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-684-8857 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.