PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53F3-16X1-8X1-8Tee,pipe to Tube

Imperial · NSN 4730-00-288-9499 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-288-9499 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-288-9499. Primary manufacturer part number: 53F3-16X1-8X1-8.
Features
  • Tee,pipe to Tube — FSC 4730
  • Connection Style: PLAIN (PIPE) FIRST END
  • Thread Class: 2A THIRD END A
  • Nominal Thread Size: 0.125 INCHES SECOND END IN
  • Nominal Thread Size: 0.125 INCHES FIRST END IN
  • Seat Angle: 45.0 DEGREES THIRD END
  • Connection Style: FLARED (TUBE) THIRD END
  • Thread Series Designator: UNF THIRD END
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 4730-00-288-9499, 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 Imperial. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-288-9499
Primary Part Number53F3-16X1-8X1-8
Item NameTee,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerImperial
StatusCANCELLED
Connection StylePLAIN (PIPE) FIRST END
Thread Class2A THIRD END A
Nominal Thread Size0.125 INCHES SECOND END IN
Nominal Thread Size0.125 INCHES FIRST END IN
Seat Angle45.0 DEGREES THIRD END
Connection StyleFLARED (TUBE) THIRD END
Thread Series DesignatorUNF THIRD END
Connection StylePLAIN (PIPE) SECOND END
Leg Length0.719 INCHES NOMINAL SECOND END IN
Thread Series DesignatorNPTF FIRST END
Nominal Thread Size0.375 INCHES THIRD END IN
Connection TypeTHREADED EXTERNAL TUBE THIRD END
Leg Length0.844 INCHES NOMINAL THIRD END IN
Leg Length0.531 INCHES NOMINAL FIRST END IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
MaterialCOPPER ALLOY OVERALL
Nominal Outside Diameter Tube Accommodated0.187 INCHES THIRD END IN
Thread Series DesignatorNPTF SECOND END
Connection TypeTHREADED INTERNAL PIPE FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5935-00-135-870853B INTERCHANGEABLE
Jack,telephone
Switchcraft Inc.
4310-00-147-389353B INTERCHANGEABLE
Unloader,magnetic
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
5940-00-171-0431 INTERCHANGEABLE
Terminal Board
3030-00-234-2247 INTERCHANGEABLE
Belts,v,matched Set
5940-00-309-01231385A INTERCHANGEABLE
Terminal Board
Birnbach Co Inc
2990-00-846-07321030 INTERCHANGEABLE
Muffler,exhaust
Arvin Industries Inc
Cross-Reference Index
Part NumberManufacturer
53F3-16X1-8X1-8 Imperial (USA)
53B Everco Industries Inc (USA)
256F3-2 Parker-Hannifin Corp Div Fluid System Connector Division (USA)
Related Parts
5935-00-135-8708INTERCHANGEABLE
JACK,TELEPHONE
53B
4310-00-147-3893INTERCHANGEABLE
UNLOADER,MAGNETIC
53B
5940-00-171-0431INTERCHANGEABLE
TERMINAL BOARD
3030-00-234-2247INTERCHANGEABLE
BELTS,V,MATCHED SET
5940-00-309-0123INTERCHANGEABLE
TERMINAL BOARD
1385A
2990-00-846-0732INTERCHANGEABLE
MUFFLER,EXHAUST
1030

Frequently Asked Questions

What is NSN 4730-00-288-9499?

NSN 4730-00-288-9499 is a Tee,pipe to Tube, manufactured by Imperial, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-288-9499?

NSN 4730-00-288-9499 has 3 cross-referenced part numbers: 53F3-16X1-8X1-8 (Imperial), 53B (Everco Industries Inc), 256F3-2 (Parker-Hannifin Corp Div Fluid System Connector Division).

What NSN replaces 4730-00-288-9499?

There are 6 known substitutes for 4730-00-288-9499: 5935-00-135-8708, 4310-00-147-3893, 5940-00-171-0431 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53F3-16X1-8X1-8?

Key specifications for 53F3-16X1-8X1-8: Connection Style: PLAIN (PIPE) FIRST END; Thread Class: 2A THIRD END A; Nominal Thread Size: 0.125 INCHES SECOND END IN; Nominal Thread Size: 0.125 INCHES FIRST END IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-288-9499 still in active supply?

NSN 4730-00-288-9499 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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