Model: 33S3-101

Check Valve

Properties:

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Maximum Operating Temp
450.0 degrees fahrenheit single response
Connection Style
Plain, optional end (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
125.0 pounds per square inch single response
Thread Size
0.250 inches all ends
Material
Copper alloy 836 body
Material
Copper alloy 836 flow control device
Material
Plastic polytetrafluoroethylene seat
Material Specification
Astm b62 assn standard single material response body
Material Specification
Astm b62 assn standard single material response flow control device
Material Specification
Mss sp-80 military specification single material response seat
Media For Which Designed
Steam single response
Style Designator
Straight thru
Supplementary Features
Ref data federal specification ww-v-51, class a, type 4 and mms sp-80
Thread Series Designator
Nptf all ends
Specification Data
98437-33s3-101 manufacturers source control
NSN
4820-01-254-3808
Part Number
33S3-101
Description
Valve,check
CAGE
98437

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part 33S3-101 NSN 4820-01-254-3808

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05487
FIIG:
A530B0
Concept No.:
1
App. Key:
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8481301090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of copper having a pressure rating of 850 kpa or over

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