Model: 451

Gate Valve

Special Features:

Max operating pressure 175 psi; 1st end-thded external pipe: 8 thd per inch, np series thd, 2.500 in. Thd size; 2nd end-thd external hose: 7-1/2 thds per inch, nh series thd, 2.500 in. Thd size

Properties:

Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Valve Operation Method
Manual
Stem Type
Nonrising
Material
Copper alloy disk
Material
Copper alloy seat
Material
Copper alloy body
Material
Steel stem
Material Specification
Qq-c-390, alloy b5 federal specification single material response seat
Material Specification
Qq-c-390, alloy b5 federal specification single material response stem
Material Specification
Qq-c-390, alloy b5 federal specification single material response body
NSN
4820-00-388-8797
Part Number
451
Description
Valve,gate
CAGE

Part 451 NSN 4820-00-388-8797

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05482
FIIG:
A500A0
Concept No.:
1
App. Key:
Cond. Code:
2
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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