PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3343Tee,tube

Alter Harry Co the Div of T E C · NSN 4730-00-287-1701 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-287-1701 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-287-1701. Primary manufacturer part number: 3343.
Features
  • Tee,tube — FSC 4730
  • Furnished Items and Quantity: 3 TUBE COUPLING NUT W/SLEEVE
  • Thread Class: 2A ALL ENDS A
  • Material: COPPER ALLOY 377 OVERALL
  • Connection Style: FLARED (TUBE) ALL ENDS
  • Seat Angle: 45.0 DEGREES ALL ENDS
  • Leg Length: 1.062 INCHES NOMINAL ALL ENDS IN
  • Nondefinitive Spec/std Data: 17 FIGURE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 377 Overall construction
General Description

The Tee,tube, cataloged under National Stock Number 4730-00-287-1701, 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 Alter Harry Co the Div of T E C. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-287-1701
Primary Part Number3343
Item NameTee,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAlter Harry Co the Div of T E C
StatusCANCELLED
Furnished Items and Quantity3 TUBE COUPLING NUT W/SLEEVE
Thread Class2A ALL ENDS A
MaterialCOPPER ALLOY 377 OVERALL
Connection StyleFLARED (TUBE) ALL ENDS
Seat Angle45.0 DEGREES ALL ENDS
Leg Length1.062 INCHES NOMINAL ALL ENDS IN
Nondefinitive Spec/std Data17 FIGURE
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Outside Diameter Tube Accommodated0.375 INCHES ALL ENDS IN
Thread Series DesignatorUNF ALL ENDS
Specification/standard Data81343-J513 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nominal Thread Size0.625 INCHES ALL ENDS IN
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-005-36214438 INTERCHANGEABLE
Screw,shoulder
Roller Bearing Co of America, Inc Div Pic Design
2520-00-025-6607203343 INTERCHANGEABLE
Fork,transmission
Clark Material Handling Company
3040-00-063-6327A3-42 INTERCHANGEABLE
Shaft,straight
Roller Bearing Co of America, Inc Div Pic Design
6625-00-092-07863343 INTERCHANGEABLE
Filter,variable
Krohn-Hite Corp
3110-00-117-07775555785 INTERCHANGEABLE
Bearing,roller,thrust
Continental Emsco Co Skagit Products Div
3110-00-156-1833 INTERCHANGEABLE
Bearing,ball,thrust
1095-00-220-2486A342 INTERCHANGEABLE
Panel,armament Cont
Lockheed Martin Corp
5977-00-284-94044-4-4-130438 INTERCHANGEABLE
Brush Set,electrical Contact
Am General Llc
5330-00-364-4983850701 INTERCHANGEABLE
Felt,mechanical,preformed
Dana Off Highway Products, Llc
2920-00-378-0578 INTERCHANGEABLE
Plate
Cross-Reference Index
Part NumberManufacturer
44 3/8 Imperial (USA)
J513 Society of Automotive Engineers Inc (USA)
6-6-6 010401BA(T2) Amz Alabama Inc. (USA)
816386 American Hoist and Derrick Co
118807 Navistar International Corporation Dba Navistar (USA)
244F-6 Parker-Hannifin Corp Div Fluid System Connector Division (USA)
6-6-6 010401BA(T2) Society of Automotive Engineers Inc (USA)
3343 PRIMARY Alter Harry Co the Div of T E C (USA)
SAE-J513 Sae International Dba Sae International (USA)
6-6-6 010401BA(T2) Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA)
118807 PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
816386 Terex American Crane Corp (USA)
A342 PRIMARY Mueller Brass Co. (USA)
F1040 Eaton Corp Controls Div (USA)
144F-6 PRIMARY Parker-Hannifin Corp Div Fluid System Connector Division (USA)
118807 General Motors Corp (USA)
J513 Sae International Dba Sae International (USA)
SAE J513 6-6-6 010401BA(T2) PRIMARY Sae International Dba Sae International (USA)
44-F-06 Imperial (USA)
644F3-8 Imperial (USA)
Related Parts
5305-00-005-3621INTERCHANGEABLE
SCREW,SHOULDER
4438
2520-00-025-6607INTERCHANGEABLE
FORK,TRANSMISSION
203343
3040-00-063-6327INTERCHANGEABLE
SHAFT,STRAIGHT
A3-42
6625-00-092-0786INTERCHANGEABLE
FILTER,VARIABLE
3343
3110-00-117-0777INTERCHANGEABLE
BEARING,ROLLER,THRUST
5555785
3110-00-156-1833INTERCHANGEABLE
BEARING,BALL,THRUST
1095-00-220-2486INTERCHANGEABLE
PANEL,ARMAMENT CONT
A342
5977-00-284-9404INTERCHANGEABLE
BRUSH SET,ELECTRICAL CONTACT
4-4-4-130438
5330-00-364-4983INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
850701
2920-00-378-0578INTERCHANGEABLE
PLATE
2940-00-406-7090INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
4438X
5305-00-514-7698INTERCHANGEABLE
SCREW,MACHINE
125122

Frequently Asked Questions

What is NSN 4730-00-287-1701?

NSN 4730-00-287-1701 is a Tee,tube, manufactured by Alter Harry Co the Div of T E C, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-287-1701?

NSN 4730-00-287-1701 has 21 cross-referenced part numbers: 44 3/8 (Imperial), J513 (Society of Automotive Engineers Inc), 6-6-6 010401BA(T2) (Amz Alabama Inc.), 816386 (American Hoist and Derrick Co), 118807 (Navistar International Corporation Dba Navistar) and 16 more.

What NSN replaces 4730-00-287-1701?

There are 12 known substitutes for 4730-00-287-1701: 5305-00-005-3621, 2520-00-025-6607, 3040-00-063-6327 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3343?

Key specifications for 3343: Furnished Items and Quantity: 3 TUBE COUPLING NUT W/SLEEVE; Thread Class: 2A ALL ENDS A; Material: COPPER ALLOY 377 OVERALL; Connection Style: FLARED (TUBE) ALL ENDS. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-287-1701 still in active supply?

NSN 4730-00-287-1701 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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