Model: SS845-2181251AS

Check Valve

Properties:

Flow Control Device
Disk
Disk Loading Method
Weight
Bolt Hole Quantity
12 all ends
Maximum Operating Temp
160.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Mounting Position
Horizontal
Valve Size
5.000 inches
Maximum Operating Pressure
700.0 pounds per square inch single response
Outside Diameter
9.750 inches all ends
Face To Face Distance
14.875 inches
Thickness
1.625 inches all ends
Bolt Circle Diameter
8.250 inches all ends
Flange Face Design
Plain all ends
Material
Copper alloy seat
Material
Copper alloy 903 flow control device and rubber butadiene-acrylonitrile class nbr flow control device
Material
Copper alloy body
Material Specification
Mil-b-21230 military specification single material response body
Material Specification
Mil-b-21230 military specification single material response seat
Material Specification
Mil-m-1657 military specification 1st material response flow control device and mil-p-5516, class b military specification 2nd material response flow control device
Media For Which Designed
Water-oil-gas single response
Style Designator
Straight through flanged ends
NSN
4820-01-063-0053
Part Number
SS845-2181251AS
Description
Valve,check
CAGE
53711

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 SS845-2181251AS NSN 4820-01-063-0053

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:
--
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: 8481301090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of copper having a pressure rating of 850 kpa or over

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