PartsTable TECHNICAL DATA SHEET
NSN 4730-01-718-8635Government record, cited

Nut, Union4730-01-718-8635

NSN 4730-01-718-8635 · NIIN 017188635 · Part number 6N50-3CUNI
Hydrasearch Company, Llc · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 32142
Government record, cited
NSN 4730-01-718-8635 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-718-8635. Manufacturer of record part number: 6N50-3CUNI.
Also searched as  4730-01-718-8635 · 4730017188635 · NIIN 017188635 · 01-718-8635 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 32142 · 6N50-3CUNI
Nearby stock numbers  ·
Features
  • Nut,union — FSC 4730
  • Nut Style: HEXAGON
  • Thread Quantity Per Inch: 12
  • Smallest Inside Diameter: 1.378 INCHES NOMINAL IN
  • 1 manufacturer part number on file
  • Manufacturer of record: Hydrasearch Company, Llc
Identification
  • NSN: 4730-01-718-8635
  • NIIN: 017188635
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 6N50-3CUNI
  • Manufacturer: Hydrasearch Company, Llc
General Description

The Nut,union, cataloged under National Stock Number 4730-01-718-8635, 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 Hydrasearch Company, Llc. Government technical data includes 3 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
NSN4730-01-718-8635
Primary Part Number6N50-3CUNI
Item NameNut,union
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerHydrasearch Company, Llc
StatusACTIVE
Nut StyleHEXAGON
Thread Quantity Per Inch12
Smallest Inside Diameter1.378 INCHES NOMINAL 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
6N50-3CUNI PRIMARY Hydrasearch Company, Llc (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 4730-01-718-8635?

NSN 4730-01-718-8635 is a Nut,union, manufactured by Hydrasearch Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-718-8635?

NSN 4730-01-718-8635 has 1 manufacturer part number on file: 6N50-3CUNI (Hydrasearch Company, Llc).

What are the specifications of 6N50-3CUNI?

Key specifications for 6N50-3CUNI: Special Features: PIPE SIZE - 0.50 INCH IN; Part Name Assigned by Controlling Agency: UNION NUT; Nut Style: HEXAGON; Thread Quantity Per Inch: 12. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-718-8635 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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