PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ITEM 9Nut,tube Coupling

Western Enterprises Div of Scott and Fetzer Co · NSN 4730-01-227-1879 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-227-1879 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-227-1879. Primary manufacturer part number: ITEM 9.
Features
  • Nut,tube Coupling — FSC 4730
  • Nut Style: TUBE COUPLING
  • Material: COPPER OVERALL
  • Thread Quantity Per Inch: 24
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2B
  • Thread Series: UNF
  • Nominal Thread Size: 0.375 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Fluid conveyance
  • Hydraulic system plumbing
General Description

The Nut,tube Coupling, cataloged under National Stock Number 4730-01-227-1879, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Western Enterprises Div of Scott and Fetzer Co. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-227-1879
Primary Part NumberITEM 9
Item NameNut,tube Coupling
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerWestern Enterprises Div of Scott and Fetzer Co
StatusACTIVE
Nut StyleTUBE COUPLING
MaterialCOPPER OVERALL
Thread Quantity Per Inch24
Thread DirectionRIGHT-HAND
Thread Class2B
Thread SeriesUNF
Nominal Thread Size0.375 INCHES IN
Nominal Tube Outside Diameter0.188 INCHES IN
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY FREE FROM MERCURY CONTAMINATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5910-00-128-7180 INTERCHANGEABLE
Capacitor,variable,air Dielectri
5310-00-185-6462 INTERCHANGEABLE
Nut,plain,round
4820-00-287-534617-001-110 INTERCHANGEABLE
Valve,globe
Norgren C a Co
5340-00-989-3032MS25281-R10 INTERCHANGEABLE
Clamp,loop
Sae International Dba Sae International
4110-01-154-9503N10 INTERCHANGEABLE
Dispenser,drinking Water,mechani
Elkay Mfg Co
9330-01-179-2974AWN106050 INTERCHANGEABLE
Composite Breather
Airtech International Inc Dba Airtech International Inc
5310-01-287-8586N10 INTERCHANGEABLE
Lock,nut
Eaton Aerospace Llc Sterer Engineering Morgan Actuators
5310-01-297-4555N-10 INTERCHANGEABLE
Nut,sleeve
Hydro-Craft, Inc.
5310-01-449-541986049-56 PIECE NO 22 INTERCHANGEABLE
Nut,plain,round
Reliance Electric Company Dba Reliance & Dodge Brands
Cross-Reference Index
Part NumberManufacturer
ITEM 9 Western Enterprises Div of Scott and Fetzer Co (USA)
N10 Superior Products Div Opw Ces (USA)
CAT16 ITEM9 ASIZE Western Enterprises Div of Scott and Fetzer Co (USA)
Related Parts
5910-00-128-7180INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
5310-00-185-6462INTERCHANGEABLE
NUT,PLAIN,ROUND
4820-00-287-5346INTERCHANGEABLE
VALVE,GLOBE
17-001-110
5340-00-989-3032INTERCHANGEABLE
CLAMP,LOOP
MS25281-R10
4110-01-154-9503INTERCHANGEABLE
DISPENSER,DRINKING WATER,MECHANI
N10
9330-01-179-2974INTERCHANGEABLE
COMPOSITE BREATHER
AWN106050
5310-01-287-8586INTERCHANGEABLE
LOCK,NUT
N10
5310-01-297-4555INTERCHANGEABLE
NUT,SLEEVE
N-10
5310-01-449-5419INTERCHANGEABLE
NUT,PLAIN,ROUND
86049-56 PIECE NO 22

Frequently Asked Questions

What is NSN 4730-01-227-1879?

NSN 4730-01-227-1879 is a Nut,tube Coupling, manufactured by Western Enterprises Div of Scott and Fetzer Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-227-1879?

NSN 4730-01-227-1879 has 3 cross-referenced part numbers: ITEM 9 (Western Enterprises Div of Scott and Fetzer Co), N10 (Superior Products Div Opw Ces), CAT16 ITEM9 ASIZE (Western Enterprises Div of Scott and Fetzer Co).

What NSN replaces 4730-01-227-1879?

There are 9 known substitutes for 4730-01-227-1879: 5910-00-128-7180, 5310-00-185-6462, 4820-00-287-5346 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ITEM 9?

Key specifications for ITEM 9: Nut Style: TUBE COUPLING; Material: COPPER OVERALL; Thread Quantity Per Inch: 24; Thread Direction: RIGHT-HAND. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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