PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SAE J512 3-3-3 040401BATee,tube

Sae International Dba Sae International · NSN 4730-00-287-1706 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-287-1706 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-287-1706. Primary manufacturer part number: SAE J512 3-3-3 040401BA.
Features
  • Tee,tube — FSC 4730
  • Specification/standard Data: 81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Leg Length: 0.531 INCHES NOMINAL ALL ENDS IN
  • Nominal Thread Size: 0.375 INCHES ALL ENDS IN
  • Nominal Outside Diameter Tube Accommodated: 0.188 INCHES ALL ENDS IN
  • Connection Type: THREADED INTERNAL TUBE ALL ENDS
  • Nondefinitive Spec/std Data: 7A FIGURE A
  • Seat Angle: 42.0 DEGREES ALL ENDS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Tee,tube, cataloged under National Stock Number 4730-00-287-1706, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 16 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
NSN4730-00-287-1706
Primary Part NumberSAE J512 3-3-3 040401BA
Item NameTee,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Specification/standard Data81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Leg Length0.531 INCHES NOMINAL ALL ENDS IN
Nominal Thread Size0.375 INCHES ALL ENDS IN
Nominal Outside Diameter Tube Accommodated0.188 INCHES ALL ENDS IN
Connection TypeTHREADED INTERNAL TUBE ALL ENDS
Nondefinitive Spec/std Data7A FIGURE A
Seat Angle42.0 DEGREES ALL ENDS
Connection StyleINVERTED FLARE (PIPE) ALL ENDS
Thread Class2B ALL ENDS
MaterialCOPPER ALLOY OVERALL
Thread Series DesignatorUNF ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-070-782914955 INTERCHANGEABLE
Transformer,power
Elbitamerica, Inc.
5340-00-137-660214955 INTERCHANGEABLE
Seat,helical Compression Spring
Mission Systems Orchard Park Inc
2520-00-172-1822 INTERCHANGEABLE
Axle Assembly,automotive,driving
4730-00-287-1707SAE J512 4-4-4 040401BA INTERCHANGEABLE
Tee,tube
Sae International Dba Sae International
1660-00-304-571914955 INTERCHANGEABLE
Fulcrum,knife Edge
Honeywell International, Inc Div Aerospace-Tucson
4720-00-994-181814955 INTERCHANGEABLE
Hose Assembly,metallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
5331-01-061-33314218-73 INTERCHANGEABLE
O-Ring
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5360-01-138-04555020373 INTERCHANGEABLE
Spring,helical,compression
Naval Sea Systems Command
4730-01-183-5927178685 INTERCHANGEABLE
Tee,pipe to Tube
Allison Transmission Inc Dba Allison Transmission, Inc
1680-01-341-0626502373 INTERCHANGEABLE
Panel,indicator
Airco Industries, Inc. Dba Photo Etch Div Photo Etch
Cross-Reference Index
Part NumberManufacturer
SAE-J512 Sae International Dba Sae International (USA)
SAE J512 3-3-3 040401BA Society of Automotive Engineers Inc (USA)
502-0373 Cummins Power Generation Inc. (USA)
2441FHD3 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
178654 Allison Transmission Inc Dba Allison Transmission, Inc (USA)
J512 Society of Automotive Engineers Inc (USA)
244IFHD-3 Parker-Hannifin Corp Div Fluid System Connector Division (USA)
2441FHD3 Parker-Hannifin Corp Div Fluid System Connector Division (USA)
4730PL0775792 Jednolity Indeks Materialowy - Uniform Material Index (POL)
14955 Hyster-Yale Group, Inc. (USA)
702X3 Dana Corp Weatherhead Div (USA)
J512 Sae International Dba Sae International (USA)
SAE J512 3-3-3 040401BA PRIMARY Sae International Dba Sae International (USA)
MS51880-3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
178654 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
702X3 Danfoss Power Solutions II, Llc (USA)
178654 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
502-373 Cummins Power Generation Inc. (USA)
14955 Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA)
CNEX6 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5950-00-070-7829INTERCHANGEABLE
TRANSFORMER,POWER
14955
5340-00-137-6602INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
14955
2520-00-172-1822INTERCHANGEABLE
AXLE ASSEMBLY,AUTOMOTIVE,DRIVING
4730-00-287-1707INTERCHANGEABLE
TEE,TUBE
SAE J512 4-4-4 040401BA
1660-00-304-5719INTERCHANGEABLE
FULCRUM,KNIFE EDGE
14955
4720-00-994-1818INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
14955
5331-01-061-3331INTERCHANGEABLE
O-RING
4218-73
5360-01-138-0455INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5020373
4730-01-183-5927INTERCHANGEABLE
TEE,PIPE TO TUBE
178685
1680-01-341-0626INTERCHANGEABLE
PANEL,INDICATOR
502373
4820-01-515-1835INTERCHANGEABLE
CARTRIDGE,NEEDLE VALVE
2HA308
4710-01-716-3640INTERCHANGEABLE
TUBE AND FITTINGS,METALLIC
702X3

Frequently Asked Questions

What is NSN 4730-00-287-1706?

NSN 4730-00-287-1706 is a Tee,tube, manufactured by Sae International Dba Sae International, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-287-1706?

NSN 4730-00-287-1706 has 21 cross-referenced part numbers: SAE-J512 (Sae International Dba Sae International), SAE J512 3-3-3 040401BA (Society of Automotive Engineers Inc), 502-0373 (Cummins Power Generation Inc.), 2441FHD3 (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters), 178654 (Allison Transmission Inc Dba Allison Transmission, Inc) and 16 more.

What NSN replaces 4730-00-287-1706?

There are 12 known substitutes for 4730-00-287-1706: 5950-00-070-7829, 5340-00-137-6602, 2520-00-172-1822 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SAE J512 3-3-3 040401BA?

Key specifications for SAE J512 3-3-3 040401BA: Specification/standard Data: 81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Leg Length: 0.531 INCHES NOMINAL ALL ENDS IN; Nominal Thread Size: 0.375 INCHES ALL ENDS IN; Nominal Outside Diameter Tube Accommodated: 0.188 INCHES ALL ENDS IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-287-1706 still in active supply?

NSN 4730-00-287-1706 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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