PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A13565Coupling,tube

Mueller Brass Co. · NSN 4730-00-460-2661 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-460-2661 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-460-2661. Primary manufacturer part number: A13565.
Features
  • Coupling,tube — FSC 4730
  • Thread Series Designator: UNF ALL ENDS
  • Nominal Thread Size: 0.625 INCHES ALL ENDS IN
  • Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END ALL ENDS
  • Seat Angle: 45.0 DEGREES ALL ENDS
  • Thread Class: 2B ALL ENDS
  • Material: COPPER ALLOY OVERALL
  • Style Designator: SWIVEL, WRENCHING FACILITIES EACH END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Coupling,tube, cataloged under National Stock Number 4730-00-460-2661, 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 Mueller Brass Co.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-460-2661
Primary Part NumberA13565
Item NameCoupling,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMueller Brass Co.
StatusACTIVE
Thread Series DesignatorUNF ALL ENDS
Nominal Thread Size0.625 INCHES ALL ENDS IN
Connection StyleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END ALL ENDS
Seat Angle45.0 DEGREES ALL ENDS
Thread Class2B ALL ENDS
MaterialCOPPER ALLOY OVERALL
Style DesignatorSWIVEL, WRENCHING FACILITIES EACH END
Connection TypeTHREADED INTERNAL TUBE ALL ENDS
Nominal Overall Length1.562 INCHES IN
Nominal Outside Diameter Tube Accommodated0.375 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-646-5267C-808353 INTERCHANGEABLE
Transformer,power Autotransforme
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5961-00-887-7727617904-1 INTERCHANGEABLE
Transistor
Raytheon Company
2915-00-938-42013593 INTERCHANGEABLE
Block,splice,fuel Control
Recto Molded Products, Inc.
5330-00-993-95963593 INTERCHANGEABLE
Cork Sheet
The Boeing Company Div Legacy Wichita
5935-01-065-55253593 INTERCHANGEABLE
Connector,plug,electrical
Blonder Tongue Laboratories, Inc.
5310-01-089-7491 INTERCHANGEABLE
Nut,hexagon
5950-01-274-9211929361-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
5975-01-345-80943593 INTERCHANGEABLE
Mounting Base,tie Down,electrica
Heyco Inc Dba Heyco Products
6530-01-381-06473593 INTERCHANGEABLE
Protector,blade,surgical
Devon Industries Inc
6510-01-505-06277000002864 INTERCHANGEABLE
Bandage,adhesive
Solventum Us Llc
Cross-Reference Index
Part NumberManufacturer
US4-6 Mueller Brass Co. (USA)
A13565 Dean & Wood Ltd (GBR)
3593 Alter Harry Co the Div of T E C (USA)
A13565 PRIMARY Mueller Brass Co. (USA)
US4-6 Dean & Wood Ltd (GBR)
670F3-8 Imperial (USA)
Related Parts
5950-00-646-5267INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
C-808353
5961-00-887-7727INTERCHANGEABLE
TRANSISTOR
617904-1
2915-00-938-4201INTERCHANGEABLE
BLOCK,SPLICE,FUEL CONTROL
3593
5330-00-993-9596INTERCHANGEABLE
CORK SHEET
3593
5935-01-065-5525INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3593
5310-01-089-7491INTERCHANGEABLE
NUT,HEXAGON
5950-01-274-9211INTERCHANGEABLE
TRANSFORMER,POWER
929361-1
5975-01-345-8094INTERCHANGEABLE
MOUNTING BASE,TIE DOWN,ELECTRICA
3593
6530-01-381-0647INTERCHANGEABLE
PROTECTOR,BLADE,SURGICAL
3593
6510-01-505-0627INTERCHANGEABLE
BANDAGE,ADHESIVE
7000002864
5995-01-631-8856INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
4730-01-666-9731INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
3593

Frequently Asked Questions

What is NSN 4730-00-460-2661?

NSN 4730-00-460-2661 is a Coupling,tube, manufactured by Mueller Brass Co., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-460-2661?

NSN 4730-00-460-2661 has 6 cross-referenced part numbers: US4-6 (Mueller Brass Co.), A13565 (Dean & Wood Ltd), 3593 (Alter Harry Co the Div of T E C), A13565 (Mueller Brass Co.), US4-6 (Dean & Wood Ltd) and 1 more.

What NSN replaces 4730-00-460-2661?

There are 12 known substitutes for 4730-00-460-2661: 5950-00-646-5267, 5961-00-887-7727, 2915-00-938-4201 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A13565?

Key specifications for A13565: Thread Series Designator: UNF ALL ENDS; Nominal Thread Size: 0.625 INCHES ALL ENDS IN; Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END ALL ENDS; Seat Angle: 45.0 DEGREES ALL ENDS. 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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