PartsTable TECHNICAL DATA SHEET
NSN 4730-01-451-4677Government record, cited

Nut, Tube Coupling4730-01-451-4677

NSN 4730-01-451-4677 · NIIN 014514677 · Part number 5429025
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 4730-01-451-4677 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-451-4677. Manufacturer of record part number: 5429025.
Also searched as  4730-01-451-4677 · 4730014514677 · NIIN 014514677 · 01-451-4677 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 53711 · 5429025
Nearby stock numbers  ·
Features
  • Nut,tube Coupling — FSC 4730
  • Length to Shoulder: 0.680 INCHES NOMINAL IN
  • Width Across Flats: 2.000 INCHES NOMINAL IN
  • Thread Series: UN
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Size: 12.000 INCHES IN
  • Nut Height: 1.000 INCHES NOMINAL IN
  • Nut Style: TUBE COUPLING
Identification
  • NSN: 4730-01-451-4677
  • NIIN: 014514677
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 5429025
  • Manufacturer: Naval Sea Systems Command
General Description

The Nut,tube Coupling, cataloged under National Stock Number 4730-01-451-4677, 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 12 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-451-4677
Primary Part Number5429025
Item NameNut,tube Coupling
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerNaval Sea Systems Command
StatusACTIVE
Length to Shoulder0.680 INCHES NOMINAL IN
Width Across Flats2.000 INCHES NOMINAL IN
Thread SeriesUN
Thread DirectionRIGHT-HAND
Nominal Thread Size12.000 INCHES IN
Nut Height1.000 INCHES NOMINAL IN
Nut StyleTUBE COUPLING
Thread Class3B
Thread Quantity Per Inch12
MaterialSTEEL CORROSION RESISTING OVERALL
Smallest Inside Diameter1.758 INCHES NOMINAL IN
Nominal Tube Outside Diameter2.000 INCHES IN
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
5429025 PRIMARY Naval Sea Systems Command (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 4730-01-451-4677?

NSN 4730-01-451-4677 is a Nut,tube Coupling, 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 4730-01-451-4677?

NSN 4730-01-451-4677 has 1 manufacturer part number on file: 5429025 (Naval Sea Systems Command).

What are the specifications of 5429025?

Key specifications for 5429025: Length to Shoulder: 0.680 INCHES NOMINAL IN; Width Across Flats: 2.000 INCHES NOMINAL IN; Thread Series: UN; Thread Direction: RIGHT-HAND. 12 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-451-4677 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.
PartsTable Design LLC · partstable.com