Model: 321028-3

Union Thread Piece

Properties:

Thread Direction
Right-hand
Overall Length
1.688 inches
Thread Size
3/4-16
Screw Thread Series Designator
Dnf
Material Hardness Rating
Between 92.0 rockwell b and 98.0 rockwell b
Strength Rating
Not rated
End Connection Type
Threaded
Screw Thread Location
External
Seat Type
Straight face
Working Pressure And Service Type
4000.0 pounds per square inch air
Working Pressure And Service Type
4000.0 pounds per square inch gas
Working Pressure And Service Type
4000.0 pounds per square inch oil
Working Pressure And Service Type
4000.0 pounds per square inch water
Ground Joint Seat Material
Steel
Union End Thread Size
1-3/8in-12
Union End Screw Thread Series Designator
Unf
Union End Thread Direction
Right-hand
Bulkhead Feature
Not provided
Material
Steel, mil-s-6758, comp 4130
Material
Steel comp 4130
NSN
4730-00-136-5457
Part Number
321028-3
Description
Thread Piece,union
CAGE
80020

Part 321028-3 NSN 4730-00-136-5457

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04141
FIIG:
T385-Q
Concept No.:
App. Key:
QB
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
052250
UFC:
30215
LTL:
70.0
LCL:
--
WCC:
736
TCC:
Z
SHC:
9
ACC:
Construction Materials

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