Model: H299T-6TT

Check Valve

Properties:

Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
200.0 degrees fahrenheit single response
Connection Style
Flared (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
18 all ends
Maximum Operating Pressure
6000.0 pounds per square inch single response
Thread Size
0.375 inches all ends
Seat Angle
37.0 degrees all ends
Opening Pressure Setting
4.0 pounds per square inch
Material
Steel comp 303 body
Media For Which Designed
Acetylene 1st response
Media For Which Designed
Helium 2nd response
Media For Which Designed
Hydrogen 3rd response
Media For Which Designed
Nitrogen, gaseous 5th response
Style Designator
Straight thru
Thread Series Designator
Unj all ends
NSN
4820-01-338-2015
Part Number
H299T-6TT
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 H299T-6TT NSN 4820-01-338-2015

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:
SX
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8481302090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of steel

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