PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS5206W03Nut,tube Coupling

Sae International Dba Sae International · NSN 4730-00-277-6452 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-277-6452 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-277-6452. Primary manufacturer part number: AS5206W03.
Features
  • Nut,tube Coupling — FSC 4730
  • Thread Class: 3B
  • Smallest Inside Diameter: 0.193 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Specification/standard Data: 88044-AN817 GOVERNMENT STANDARD
  • Material: ALUMINUM ALLOY 2014 OVERALL
  • Nominal Thread Size: 0.375 INCHES IN
  • Thread Quantity Per Inch: 24
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 4730-00-277-6452, 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 Sae International Dba Sae International. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-277-6452
Primary Part NumberAS5206W03
Item NameNut,tube Coupling
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Thread Class3B
Smallest Inside Diameter0.193 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Specification/standard Data88044-AN817 GOVERNMENT STANDARD
MaterialALUMINUM ALLOY 2014 OVERALL
Nominal Thread Size0.375 INCHES IN
Thread Quantity Per Inch24
Seat Angle33.00 DEGREES NOMINAL
Thread SeriesUNF
Nut StyleTUBE COUPLING
Nominal Tube Outside Diameter0.188 INCHES IN
Width Across Flats0.438 INCHES NOMINAL IN
Nut Height0.938 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Length to Shoulder0.347 INCHES MINIMUM IN
Surface TreatmentANODIZE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-01-013-7379989110-45B INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5935-01-279-4419600-21-REC0075 INTERCHANGEABLE
Connector,receptacle,electrical
Behlman Electronics, Inc
6625-01-303-463317267 INTERCHANGEABLE
Detector,radio Frequency
Giga-Tronics Incorporated Dba Giga-Tronics
5315-01-399-7333SKB-714 ITEM X232 INTERCHANGEABLE
Key,machine
Coffin Turbo Pump Inc
6505-01-584-1605NDC50474-0594-40 INTERCHANGEABLE
Levetiracetam Tablets
Ucb, Inc
Cross-Reference Index
Part NumberManufacturer
SAE-AS4841 Sae International Dba Sae International (USA)
AN817-3D Hydro-Fitting Manufacturing Corporation (USA)
AS5206W03 Society of Automotive Engineers Inc (USA)
5945-10 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
AN817-3D Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
AN817-3D Faber Enterprises, Inc. Div Faber Enterprise Inc (USA)
AS5206W03 PRIMARY Sae International Dba Sae International (USA)
AN817-3D Aeronautical Standards Group Dept of Navy and Air Force (USA)
17267 Kidde-Fenwal, Llc (USA)
AN817-3D Collins Engineering Corp (USA)
AN817-3D Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA)
Related Parts
5950-01-013-7379INTERCHANGEABLE
COIL,RADIO FREQUENCY
989110-45B
5935-01-279-4419INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
600-21-REC0075
6625-01-303-4633INTERCHANGEABLE
DETECTOR,RADIO FREQUENCY
17267
5315-01-399-7333INTERCHANGEABLE
KEY,MACHINE
SKB-714 ITEM X232
6505-01-584-1605INTERCHANGEABLE
LEVETIRACETAM TABLETS
NDC50474-0594-40

Frequently Asked Questions

What is NSN 4730-00-277-6452?

NSN 4730-00-277-6452 is a Nut,tube Coupling, manufactured by Sae International Dba Sae International, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-277-6452?

NSN 4730-00-277-6452 has 11 cross-referenced part numbers: SAE-AS4841 (Sae International Dba Sae International), AN817-3D (Hydro-Fitting Manufacturing Corporation), AS5206W03 (Society of Automotive Engineers Inc), 5945-10 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), AN817-3D (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution) and 6 more.

What NSN replaces 4730-00-277-6452?

There are 5 known substitutes for 4730-00-277-6452: 5950-01-013-7379, 5935-01-279-4419, 6625-01-303-4633 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS5206W03?

Key specifications for AS5206W03: Thread Class: 3B; Smallest Inside Diameter: 0.193 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Specification/standard Data: 88044-AN817 GOVERNMENT STANDARD. 17 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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