PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

390014PC715Nut,tube Coupling

Naval Sea Systems Command · NSN 4730-00-277-8194 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-277-8194 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-277-8194. Primary manufacturer part number: 390014PC715.
Features
  • Nut,tube Coupling — FSC 4730
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 18
  • Material: COPPER ALLOY OVERALL
  • Nut Height: 0.563 INCHES NOMINAL IN
  • Nominal Tube Outside Diameter: 0.5000 INCHES IN
  • Thread Series: UNF
  • Smallest Inside Diameter: 0.516 INCHES NOMINAL 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 4730-00-277-8194, 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 Naval Sea Systems Command. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-277-8194
Primary Part Number390014PC715
Item NameNut,tube Coupling
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusCANCELLED
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch18
MaterialCOPPER ALLOY OVERALL
Nut Height0.563 INCHES NOMINAL IN
Nominal Tube Outside Diameter0.5000 INCHES IN
Thread SeriesUNF
Smallest Inside Diameter0.516 INCHES NOMINAL IN
Thread Class3B
Nominal Thread Size0.750 INCHES IN
Fabrication MethodMACHINED
Nut StyleTUBE COUPLING
Length to Shoulder0.406 INCHES NOMINAL IN
Width Across Flats0.875 INCHES NOMINAL IN
Seat Angle45.00 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
2995-00-226-33694007T75P01 INTERCHANGEABLE
Cover,valve Housing
General Electric Company Dba Ge Aerospace
6685-00-753-1287G71162 INTERCHANGEABLE
Thermometer,indicating,capillary
Tempco Inc Dba Marshalltown Tempco
1660-00-942-870620715 INTERCHANGEABLE
Gage,face Plate
Avox Systems Inc Dba Avox Systems Inc
5130-01-533-8962 INTERCHANGEABLE
Mandrel,riveter,blind
6520-01-590-9510G1775-A INTERCHANGEABLE
Bur Set,denture Trimming
Peter Brasseler Holdings, Llc. Div Dental
Cross-Reference Index
Part NumberManufacturer
20-715 Hardie-Tynes Co., Inc. (USA)
150-442GPC715 Hardie-Tynes Co., Inc. (USA)
390014PC715 Naval Ship Systems Command (USA)
150-442KPC715 Hardie-Tynes Co., Inc. (USA)
390014PC715 PRIMARY Naval Sea Systems Command (USA)
Related Parts
2995-00-226-3369INTERCHANGEABLE
COVER,VALVE HOUSING
4007T75P01
6685-00-753-1287INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
G71162
1660-00-942-8706INTERCHANGEABLE
GAGE,FACE PLATE
20715
5130-01-533-8962INTERCHANGEABLE
MANDREL,RIVETER,BLIND
6520-01-590-9510INTERCHANGEABLE
BUR SET,DENTURE TRIMMING
G1775-A

Frequently Asked Questions

What is NSN 4730-00-277-8194?

NSN 4730-00-277-8194 is a Nut,tube Coupling, manufactured by Naval Sea Systems Command, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-277-8194?

NSN 4730-00-277-8194 has 5 cross-referenced part numbers: 20-715 (Hardie-Tynes Co., Inc.), 150-442GPC715 (Hardie-Tynes Co., Inc.), 390014PC715 (Naval Ship Systems Command), 150-442KPC715 (Hardie-Tynes Co., Inc.), 390014PC715 (Naval Sea Systems Command).

What NSN replaces 4730-00-277-8194?

There are 5 known substitutes for 4730-00-277-8194: 2995-00-226-3369, 6685-00-753-1287, 1660-00-942-8706 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 390014PC715?

Key specifications for 390014PC715: Thread Direction: RIGHT-HAND; Thread Quantity Per Inch: 18; Material: COPPER ALLOY OVERALL; Nut Height: 0.563 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-277-8194 still in active supply?

NSN 4730-00-277-8194 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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