Check Valve
DD3657B
(NSN) National Stock Number
4820-00-268-8787
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
05487
Schedule B Code
-
Summary
Disk flow control device, spring disk loading method, 8 1st end bolt hole quantity, automatic valve operation method, round with holes 1st end flange shape, flange 1st end connection type
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 1 | - | - | 5 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | HD |
Identification
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.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 05487 | A530B0 | 1 | 1 |
Specifications
Flow Control Device
disk
Details
The part that controls the flow through the item.Disk Loading Method
spring
Details
The means of closing the item when inlet pressure decreases.Bolt Hole Quantity
8 1st end
Details
The number of bolt holes provided on the item.Valve Operation Method
automatic
Details
The means used to control the operation of the valve.Flange Shape
round with holes 1st end
Details
The physical configuration of the flange.Connection Type
flange 1st end
Details
Indicates the type of connection/s/.Mounting Position
vertical
Details
The installed position for which the item is designed.Nominal Outside Diameter
6.625 inches 1st end
Details
The nominal length of a straight line which passes through the center of an item,and terminates at the outside circumference.Face To Face Distance
7.062 inches
Details
The face to face distance.Nominal Thickness
0.500 inches 1st end
Details
A nominal measurement of the smallest dimension of an item,in distinction from length or width.Bolt Hole Nominal Diameter
0.562 inches 1st end
Details
The nominal length of a straight line which passes through the center of the bolt hole,and terminates at the circumference.Bolt Circle Nominal Diameter
5.500 inches 1st end
Details
The nominal length of a straight line which passes through the center of the bolt circle,and terminates at the circumference.Flange Face Design
plain 1st end
Details
The design of the flange face.Material
copper alloy body
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
copper alloy seat
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Style Designator
straight thru
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.Nondefinitive Spec/Std Data
b type and 1 class
Details
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| DD3657 | 95321 | 5 | - | 3 | 2 | - | HD |
| MILV17547 | 81349 | 3 | - | 4 | 1 | - | HD |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | A | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 29300 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 594 | Z | 9 |
Certified Supplier
Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.
- Genuine Manufacturers Parts
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- 7 Year Sales Record Retention
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- HAZMAT Certified
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Manufacturer
CLOW CORP MARINE VALVE PRODUCTS DIV
CAGE: 95321
MELROSE PARK
, IL
, 60160-1109
UNITED STATES
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FAQs
Frequently asked questions for NSN 4820-00-268-8787
What is the NIIN of the NSN 4820-00-268-8787?
The National Item Identification Number (NIIN) of the NSN 4820-00-268-8787 is 00-268-8787
When the NSN 4820-00-268-8787 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 4820-00-268-8787 contain any precious metals?
Does not contain precious metal
Does the NSN 4820-00-268-8787 contain any hazardous material?
No data in HMIRS
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