Model: W3-284BB

Stop-check Valve

Properties:

Pipe Size Accommodated
0.500 inches all ends
Flow Control Device
Disk
Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Bolted
Connection Style
Socket (pipe) all ends
Valve Operation Method
Manual
Connection Type
Unthreaded internal pipe all ends
Mounting Position
Horizontal
Material
Steel body
Material
Stainless steel stem
Material
Steel seat
Style Designator
Straight thru
NSN
4820-01-110-1169
Part Number
W3-284BB
Description
Valve,stop-check
CAGE
57574

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

Part W3-284BB NSN 4820-01-110-1169

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05486
FIIG:
A530B0
Concept No.:
1
App. Key:
Cond. Code:
2
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
8.0000lbs
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

End Items End applications NSN 4820-01-110-1169 is a component of

  • Los Angeles Class Ssn (688)
  • Sturgeon Class Ssn (637)
  • Ticonderoga Class Cg (47)
  • Nimitz Class Cvn
  • Seawolf Class Ssn
  • Wasp Class Lhd
  • Tarawa Class Lha
  • Supply Class Aoe
  • Whidbey Island Class Lsd

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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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