Model: 64903-1

Check Valve

Special Features:

Piston check valve type, piston check disc fully guided in body

Properties:

Flow Control Device
Piston
Bolt Hole Quantity
4 2nd end
Connection Style
Reduced socket (tube) 1st end
Valve Operation Method
Manual
Flange Shape
Round with holes 2nd end
Connection Type
Flange 2nd end
Connection Type
Unthreaded internal tube 1st end
Mounting Position
Horizontal
Maximum Operating Pressure
600.0 pounds per square inch single response
Outside Diameter
4.875 inches 2nd end
Thickness
0.938 inches 2nd end
Bolt Hole Diameter
0.687 inches 2nd end
Bolt Circle Diameter
3.500 inches 2nd end
Flange Face Design
Raised straight 2nd end
Raised Face Height
0.250 inches 2nd end
Raised Face Diameter
2.000 inches 2nd end
Outside Diameter Tube Accommodated
1.320 inches 1st end
Material
Steel body
Material
Stainless steel flow control device
Material
Stainless steel seat
Material
Stainless steel stem
Material Specification
Astm a105, grade 2 assn standard single material response
Surface Treatment
Phosphate
Style Designator
Straight thru
NSN
4820-01-007-0869
Part Number
64903-1
Description
Valve,check
CAGE
57574

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 64903-1 NSN 4820-01-007-0869

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:
14.2000lbs
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:
127220
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
594
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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