Model: 2656-6

Check Valve

Special Features:

W/cres ball check

Properties:

Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
275.0 degrees fahrenheit single response
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
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.562 inches all ends
Opening Pressure Setting
5.0 pounds per square inch
Material
Steel comp 416 body or steel body
Material
Stainless steel flow control device
Material Specification
66, aisi 416 federal standard single material response body lining
Media For Which Designed
Hydraulic fluid, mineral base 1st response
Media For Which Designed
Hydraulic fluid, petroleum base 2nd response
Media For Which Designed
Oil, hydraulic 3rd response
Surface Treatment
Passivate
Style Designator
Straight thru
Thread Series Designator
Unjf all ends
NSN
4820-00-135-6354
Part Number
2656-6
Description
Valve,check
CAGE
70236

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 2656-6 NSN 4820-00-135-6354

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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: 8481302090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of steel

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