170116

Check Valve

NSN 4820-00-018-4698

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
000184698

Technical Specifications of NSN

Thread Class:
2a all ends
Thread Direction:
Right-hand all ends
Flow Control Device:
Poppet
Disk Loading Method:
Spring
Connection Style:
External seat for gasket seal (boss) all ends
Valve Operation Method:
Automatic
Connection Type:
Threaded external boss all ends
Mounting Position:
Horizontal or vertical
Thready Qty Per Inch (tpi):
12 all ends
Maximum Operating Pressure:
3000.0 pounds per square inch single response
Thread Size:
2.312 inches all ends
Outside Diameter Tube Accommodated:
1.750 inches all ends
Material:
Steel comp 303 body
Material:
Steel comp 303 body lining or stainless steel body lining
Material:
Steel comp 303 seat or stainless steel seat
Material:
Steel comp 416 flow control device
Material Specification:
66 federal standard single material response seat
Material Specification:
66 federal standard single material response body
Material Specification:
66 federal standard single material response flow control device
Media For Which Designed:
Hydraulic fluid, petroleum base 1st response
Media For Which Designed:
Oil, hydraulic 2nd response
Surface Treatment:
Passivate
Style Designator:
Straight thru
Thread Series Designator:
Uns all ends
NSN:
4820-00-018-4698
Item Name:
Dual Check Backflow Prevention Valve
Cage Code:
77842

Other Related Parts

No other part numbers with same form, fit, and function found.

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05487
FIIG:
A530B0
Concept No.:
1
App. Key:
Cond. Code:
1
Status:
A

Part Materials

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

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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Privacy | Terms

Definition Definition of approved item name (AIN): "Dual Check Backflow Prevention Valve"

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.

MOE Major Organizational Entities

Entity
DSOR
User:
TURKEY Turkey
DSOR:
Import / Export
  • Schedule B: 8481302090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Classification: Check valves of steel


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