Model: 21739

Check Valve

Properties:

Flow Control Device
Poppet
Disk Loading Method
Spring
Connection Style
Plain (tube) 2nd end
Valve Operation Method
Automatic
Flange Shape
Round 1st end
Connection Type
Flange 1st end
Connection Type
Unthreaded external tube 2nd end
Mounting Position
Horizontal or vertical
Outside Diameter
1.000 inches 1st end
Thickness
0.365 inches 1st end
Flange Face Design
Plain 1st end
Outside Diameter Tube Accommodated
1.010 inches 2nd end
Material
Steel
Style Designator
Straight thru
NSN
4820-00-036-2875
Part Number
21739
Description
Valve,check
CAGE
71871

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 21739 NSN 4820-00-036-2875

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:
CRITL:
X

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: 8481302090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of steel

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