Fluid Flow Restrictor Unit
(NSN) National Stock Number
4730-00-856-4901
Federal Supply Classification
4730 Hose, Pipe, Tube, Lubrication and Railing Fittings
Item Name Code
20933
Schedule B Code
-
Summary
3a thread class, right-hand thread direction, 2.110 inches nominal overall length, 3/8-24 thread size designator, rubber, synthetic packing material, steel, corrosion resisting filter material
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| X | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | XX |
Identification
An assembly consisting of an orifice in a fixed plate, disk, or tube with screens or filters on one or both sides, depending on the direction of filtered flow. See restrictor, fluid flow.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 20933 | T359-C | - | 1 |
Specifications
Thread Class
3a
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.Thread Direction
right-hand
Details
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.Overall Length
2.110 inches nominal
Details
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.Thread Size Designator
3/8-24
Details
Designates the thread diameter and number of threads per specific measurement scale.Packing Material
rubber, synthetic
Details
The element,compound,or mixture of which the packing is fabricated.Filter Material
steel, corrosion resisting
Details
The element,compound,or mixture of which the filter is fabricated.Operating Temp Range
-65.0 to 160.0 deg fahrenheit
Details
The minimum and maximum limits of temperature at which the item is rated for operation.Orifice Diameter
0.050 inches nominal
Details
The length of a straight line which passes through the center of the orifice,and terminates at the circumference.Connection Seat Angle In Deg
37.0
Details
The angle of the connection end surface upon which the mated surface seats,expressed in degrees.Design Type
straight
Details
Indicates the design type of the item.Width Across Flats
0.625 inches nominal
Details
The shortest straight line between flats,perpendicular to the height.End Connection Type
threaded male, regular flare
Details
Indicates the type of end connection.End Connection Similarity
identical
Details
An indication of whether or not the end connections are identical.Pressure Rating
3000.0 pounds per square inch nominal
Details
The pressure at which an item is designed to operate.Thread Series
nf or unf all connections
Details
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.Strainer Type And Quantity
2 filter
Details
Indicates the type and number of strainers provided.Valve Size
0.500 inches
Details
Designates the size of the valve.End Connection Component Type And Size For Which Designed
u/w 1/2 in. od tube
Details
Indicates the end connection component type and size for which the item is designed.Material
steel corrosion resisting body
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | U | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 30000 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 576 | Z | 9 |
Provided with every order
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FAQs
Frequently asked questions for NSN 4730-00-856-4901
What is the NIIN of the NSN 4730-00-856-4901?
The National Item Identification Number (NIIN) of the NSN 4730-00-856-4901 is 00-856-4901
When the NSN 4730-00-856-4901 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963
Does the NSN 4730-00-856-4901 contain any precious metals?
Type/content is unknown
Does the NSN 4730-00-856-4901 contain any hazardous material?
No data in HMIRS
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