Model: A4558

Tube Tee

Special Features:

Seating surfaces finished to 100 microinch rms max on 3 ends.Anneal 850 degrees f to rockwell 350 hardness

Properties:

Thread Class
2a 1st end
Thread Class
2a 3rd end
Connection Style
Flared (tube) 1st end
Connection Style
Flared (tube) 3rd end
Leg Length
1.160 inches 1st end
Leg Length
1.160 inches 3rd end
Connection Type
Threaded external tube 1st end
Connection Type
Threaded external tube 3rd end
Thread Size
0.750 inches 1st end
Seat Angle
45.0 degrees 1st end
Seat Angle
45.0 degrees 3rd end
Outside Diameter Tube Accommodated
0.250 inches 3rd end
Outside Diameter Tube Accommodated
0.500 inches 1st end
Material
Copper alloy
Thread Series Designator
Unf 1st end
NSN
4730-00-571-6118
Part Number
A4558
Description
Tee,tube
CAGE
41947

A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The connections have machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or are unthreaded and designed to accommodate a tube. It may have side inlet(s). It is used as a junction at the intersection of a tube or tube fitting.

Part A4558 NSN 4730-00-571-6118

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03809
FIIG:
A080B0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 7412200000
  • SITC: 68272
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Freight Class: Copper alloy tube or pipe fittings

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