Model: 8428

Gate Valve

Special Features:

1st end pipe size 4 in.

Properties:

Bonnet Type
Outside screw-yoke
Valve Operation Method
Manual
Features Provided
Bonnet packing
Maximum Operating Pressure And Media For Which Designed
2500.0 pounds per square inch water, fresh
Stem Type
Rising
Criticality Code Justification
Zzzy
Maximum Operating Tempurature And Media For Which Designed
670.0 degrees fahrenheit water, fresh
Material
Nickel alloy body
Reference Number Differentiating Characteristics
Selected and tested iaw nuclear propulsion plant systems
NSN
4820-00-889-2357
Part Number
8428
Description
Valve,gate
CAGE
85130

A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.

Part 8428 NSN 4820-00-889-2357

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:
A
ESD:
ESD:
MMAC:
CRITL:
Y

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
050855
UFC:
29290
LTL:
RATING VARIABLE
LCL:
70.0
WCC:
736
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8481805090
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Taps, cocks, valves and similar appliances, nesoi, hand operated, of materials other than copper, iron or steel

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