Model: 640-1453

Flange To Boss Tee

Properties:

Thread Class
3b 2nd end
Thread Class
3b 1st end
Bolt Hole Quantity
4 3rd end
Connection Style
Gasket seal (boss) 1st end
Connection Style
Gasket seal (boss) 2nd end
Leg Length
1.188 inches 1st end
Leg Length
1.188 inches 2nd end
Width
2.375 inches 3rd end
Length
2.875 inches 3rd end
Flange Shape
Rectangular with holes 3rd end
Connection Type
Flange 3rd end
Connection Type
Threaded internal boss 1st end
Connection Type
Threaded internal boss 2nd end
Thready Qty Per Inch (tpi)
12 1st end
Thready Qty Per Inch (tpi)
12 2nd end
Thread Size
1.312 inches 1st end
Thread Size
1.312 inches 2nd end
Bolt Hole Diameter
0.438 inches 3rd end
Center To Center Distance Between Bolt Holes Along Length
2.063 inches 3rd end
Center To Center Distance Between Bolt Holes Along Width
1.031 inches 3rd end
Flange Face Design
Plain 3rd end
Material
Steel comp 316
Material Specification
Qq-s-763, cond b federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35, type 2 federal specification single treatment response
Thread Series Designator
Unj 1st end
Thread Series Designator
Unj 2nd end
NSN
4730-01-261-1028
Part Number
640-1453
Description
Tee,flange To Boss
CAGE
13499

A fitting having three connections with the branch connection fixed at 90 degrees (1.5708 radians) to the run. The flange connection(s) is designed to connect with another flange connection or a compression mounting pad. 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 flange or flange fitting and a boss or boss fitting on items such as tanks, housings, valve fittings, or the like.

Part 640-1453 NSN 4730-01-261-1028

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29671
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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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:
107120
UFC:
55070
LTL:
50.0
LCL:
--
WCC:
736
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7307914000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Flanges of alloy steel not stainless

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