Model: L81400-20MMK

Check Valve

Properties:

Flow Control Device
Poppet
Maximum Operating Temp
400.0 degrees fahrenheit single response
Connection Style
Plain (tube) all ends
Valve Operation Method
Automatic
Connection Type
Unthreaded internal tube all ends
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
400.0 pounds per square inch single response
Outside Diameter Tube Accommodated
1.250 inches all ends
Material
Aluminum alloy 2024 flow control device
Material
Aluminum alloy 6061 body
Material
Aluminum alloy 6061 seat
Material Specification
Qq-a-200/3, alloy 2024, t4 federal specification single material response flow control device
Material Specification
Qq-a-225/8, alloy 6061, t651 federal specification single material response body
Material Specification
Qq-a-225/8, alloy 6061, t651 federal specification single material response seat
Media For Which Designed
Air 1st response
Media For Which Designed
Fuel/oil, hydrocarbon 2nd response
Style Designator
Straight thru
NSN
4820-01-059-1172
Part Number
L81400-20MMK
Description
Valve,check
CAGE
01178

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 L81400-20MMK NSN 4820-01-059-1172

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.7000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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