Model: 56-7800-1

Check Valve

Properties:

Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
1100.0 degrees fahrenheit single response
End Application
Aircraft, b-2 bomber
Connection Style
Flared (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
110.0 pounds per square inch single response
Thread Size
0.750 inches all ends
Seat Angle
37.0 degrees all ends
Material
Iron alloy body
Material
Steel comp 321 flow control device
Material Specification
Ams 5662 assn standard single material response body
Material Specification
Qq-s-763 cond a federal specification single material response flow control device
Style Designator
Straight thru
Thread Series Designator
Unjf all ends
NSN
4820-01-448-5581
Part Number
56-7800-1
Description
Valve,check
CAGE
96736

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 56-7800-1 NSN 4820-01-448-5581

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:
A
ESD:
ESD:
MMAC:
FW
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
12.5 X 8.3 X 3.0
Paclk Weight:
1.0000lbs
Item Weight:
0.2000lbs
Item Dim:
010700110011
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
F000003XC5
SPI Rev.:
SPC Mkg:
17
LVL_A:
LVL_B:

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Schedule B and Export
  • Schedule B: 8481302010
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of iron

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