Model: 249A4BB

Check Valve

Special Features:

Operating pressure to 3000 psig; proof pressure 2 1/2 to 4 times operation pressure; temperature and cracking pressure range -40 to +250 degrees feh, 2-4 psig

Properties:

Thread Class
3b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
250.0 degrees fahrenheit single response
Connection Style
Gasket seal (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal tube all ends
Mounting Position
Horizontal
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.250 inches all ends
Opening Pressure Setting
2.0 pounds per square inch
Outside Diameter Tube Accommodated
0.438 inches all ends
Material
Aluminum alloy 2024 body
Media For Which Designed
Air single response
Style Designator
Straight thru
Thread Series Designator
Unjf all ends
NSN
4820-01-479-8800
Part Number
249A4BB
Description
Valve,check
CAGE
91816

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 249A4BB NSN 4820-01-479-8800

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:
A
ESD:
ESD:
MMAC:
WH
CRITL:
X

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Schedule B and Export
  • Schedule B: 8481309000
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of materials other than copper, iron or steel

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