557-2A

Check Valve

NSN 4820-00-486-1876

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
004861876

Technical Specifications of NSN

Flow Control Device:
Disk
Disk Loading Method:
Spring
Valve Operation Method:
Automatic
Connection Type:
Unthreaded external hose 1st end
Connection Type:
Unthreaded external hose 2nd end
Mounting Position:
Horizontal or vertical
Material:
Aluminum alloy body
Material:
Aluminum alloy seat
Style Designator:
Straight thru
NSN:
4820-00-486-1876
Item Name:
Dual Check Backflow Prevention Valve
Cage Code:
19315

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
557-2A
Cage Code:
99551
RNCC:
3
RNVC:
2
RNAAC:
ZU
Status:
A
MSDS:
SADC:
Part Number:
ED8862
Cage Code:
02248
RNCC:
5
RNVC:
2
RNAAC:
ZT
Status:
A
MSDS:
SADC:

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:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Pricing & Availability

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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:
PORTUGAL Portugal
DSOR:
User:
GREECE Greece
DSOR:
Import / Export
  • Schedule B: 8481309000
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

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


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