PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A4771Tee,pipe to Tube

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 4730-00-816-7768 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-816-7768 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-816-7768. Primary manufacturer part number: A4771.
Features
  • Tee,pipe to Tube — FSC 4730
  • Leg Length: 0.938 INCHES NOMINAL FIRST END IN
  • Connection Style: FLARED (TUBE) FIRST END
  • Thread Class: 2A FIRST END A
  • Thread Series Designator: UNF FIRST END
  • Nominal Thread Size: 0.438 INCHES FIRST END IN
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Nominal Pipe Size Accommodated: 0.375 INCHES THIRD END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Tee,pipe to Tube, cataloged under National Stock Number 4730-00-816-7768, 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 Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-816-7768
Primary Part NumberA4771
Item NameTee,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Leg Length0.938 INCHES NOMINAL FIRST END IN
Connection StyleFLARED (TUBE) FIRST END
Thread Class2A FIRST END A
Thread Series DesignatorUNF FIRST END
Nominal Thread Size0.438 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Nominal Pipe Size Accommodated0.375 INCHES THIRD END IN
Thread Series DesignatorNPTF THIRD END
Seat Angle45.0 DEGREES FIRST END
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Nominal Thread Size0.375 INCHES THIRD END IN
MaterialCOPPER ALLOY OVERALL
Leg Length1.047 INCHES NOMINAL THIRD END IN
Connection StylePLAIN (PIPE) THIRD END
Connection TypeTHREADED EXTERNAL PIPE THIRD END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5962-01-076-9001 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
A4771 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5962-01-076-9001INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 4730-00-816-7768?

NSN 4730-00-816-7768 is a Tee,pipe to Tube, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-816-7768?

NSN 4730-00-816-7768 has 1 cross-referenced part number: A4771 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-00-816-7768?

There is 1 known substitute for 4730-00-816-7768: 5962-01-076-9001. Verify interchangeability with system specifications before substitution.

What are the specifications of A4771?

Key specifications for A4771: Leg Length: 0.938 INCHES NOMINAL FIRST END IN; Connection Style: FLARED (TUBE) FIRST END; Thread Class: 2A FIRST END A; Thread Series Designator: UNF FIRST END. 15 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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