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NSN 4730-01-141-7782Government record, cited
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Nut, Union4730-01-141-7782

NSN 4730-01-141-7782 · NIIN 011417782
FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as  4730-01-141-7782 · 4730011417782 · NIIN 011417782 · 01-141-7782 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 67189-3 · 5ON-6-MONEL
Nearby stock numbers  ·
12 HOSE FITTING
4730-01-141-7782 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
  • Nut,union — FSC 4730
  • Width Across Flats: 3.000 INCHES NOMINAL IN
  • Shoulder Step Width: 0.312 INCHES NOMINAL IN
  • Shoulder Width: 0.625 INCHES NOMINAL IN
  • Thread Series: UN
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Size: 2.750 INCHES IN
  • Nut Height: 1.250 INCHES NOMINAL IN
Identification
  • NSN: 4730-01-141-7782
  • NIIN: 011417782
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description

The Nut,union, cataloged under National Stock Number 4730-01-141-7782, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-141-7782
Item NameNut,union
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
StatusACTIVE
Width Across Flats3.000 INCHES NOMINAL IN
Shoulder Step Width0.312 INCHES NOMINAL IN
Shoulder Width0.625 INCHES NOMINAL IN
Thread SeriesUN
Thread DirectionRIGHT-HAND
Nominal Thread Size2.750 INCHES IN
Nut Height1.250 INCHES NOMINAL IN
Nut StyleHEXAGON
Thread Class2B
Thread Quantity Per Inch12
MaterialNICKEL ALLOY OVERALL
Smallest Inside Diameter2.378 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
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
67189-3 3/2 Design control — primary reference
U.S. Government activity
5ON-6-MONEL 3/2 Design control — primary reference
U.S. Government activity

Frequently Asked Questions

What is NSN 4730-01-141-7782?

NSN 4730-01-141-7782 is a Nut,union, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What are the specifications of 4730-01-141-7782?

Key specifications for 4730-01-141-7782: Width Across Flats: 3.000 INCHES NOMINAL IN; Shoulder Step Width: 0.312 INCHES NOMINAL IN; Shoulder Width: 0.625 INCHES NOMINAL IN; Thread Series: UN. 12 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-141-7782 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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