Model: 9955.K 5IM,TYPE

Safety Relief Valve

Properties:

Flow Control Device
Disk
Disk Loading Method
Spring
Valve Discharge Flow Rate
128.0 cubic feet per minute
Maximum Operating Pressure
400.0 pounds per square inch single response
Criticality Code Justification
Zzzy
Opening Pressure Setting
80.0 pounds per square inch
Material
Copper alloy 922 body
Material
Nickel alloy 400 flow control device
Material
Nickel alloy 400 seat
Material
Nickel alloy 400 stem
Material Specification
Astm b61 assn standard single material response body
Material Specification
Qq-n-281 federal specification single material response flow control device
Material Specification
Qq-n-281 federal specification single material response seat
Material Specification
Qq-n-281 federal specification single material response stem
Media For Which Designed
Oxygen, liquid single response
Reference Number Differentiating Characteristics
Requires special cleaning and packaging iaw mil-c-52211, for oxygen/nitrogen/hydrogen service
NSN
4820-01-256-8744
Part Number
9955.K 5IM,TYPE
Description
Valve,safety Relief
CAGE
96101

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Part 9955.K 5IM,TYPE NSN 4820-01-256-8744

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
Concept No.:
1
App. Key:
AP
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:
Y

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Safety or relief valves

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