Model: 253T-8-8

Tube To Boss Tee

Properties:

Thread Class
2a all ends
Maximum Operating Temp
400.0 degrees fahrenheit single response
End Application
Grumman a-10 acft
Connection Style
Double threaded section w/ gasket and locknut sealing (boss) 3rd end
Connection Style
Flared (tube) 1st end
Connection Style
Flared (tube) 2nd end
Leg Length
1.250 inches 1st end
Leg Length
1.250 inches 2nd end
Leg Length
1.450 inches 3rd end
Connection Type
Threaded external boss 3rd end
Connection Type
Threaded external tube 1st end
Connection Type
Threaded external tube 2nd end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.750 inches all ends
Seat Angle
37.0 degrees 1st end
Seat Angle
37.0 degrees 2nd end
Outside Diameter Tube Accommodated
0.500 inches 1st end
Outside Diameter Tube Accommodated
0.500 inches 2nd end
Material
Steel
Media For Which Designed
Hydraulic fluid single response
Surface Treatment Specification
J514 assn standard single treatment response and qq-p-416, type 2, cl 3 federal specification single treatment response
Thread Series Designator
Unf all ends
Furnished Items And Quantity
1 locknut and 1 preformed packing and 1 flat washer
Specification Data
81343-j514 professional/industrial association standard and 96906-ms51529 government standard
Nondefinitive Specification/std Data
9d figure
NSN
4730-01-056-8267
Part Number
253T-8-8
Description
Tee,tube To Boss
CAGE
98441

A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The tube connection(s) has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or is unthreaded and designed to accommodate a tube. The boss connection(s) has external or internal machine threads (straight threads other than pipe or hose series), and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side inlet(s). It is used as a junction at the intersection of a tube or fitting and a boss or boss fitting on items such as a tank, housing, valve fitting, or the like. See also tee, tube; and tee, pipe to tube. Excludes connector, multiple, fluid pressure line.

Part 253T-8-8 NSN 4730-01-056-8267

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22683
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:
A
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
052190
UFC:
30000
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7307992000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Other fittings nesoi of iron or nonalloy steel

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