NSN 4820-00-448-0236 21R34825630, 21R3482-56-30, 6682737
Product Details | RESTRICTOR CHECK VALVE
4820-00-448-0236 A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a VALVE, CHECK with the exception of the orifice which permits fluid flow in more than one direction.
Part Alternates: 21R34825630, 21R3482-56-30, 6682737, 668273-7, 4820-00-448-0236, 00-448-0236, 4820004480236, 004480236
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1963 | 00-448-0236 | 20520 ( VALVE, RESTRICTOR CHECK ) |
Drawings & Photos | NSN 4820-00-448-0236
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Related Products | NSN 4820-00-448-0236
Technical Data | NSN 4820-00-448-0236
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY BODY RUBBER SYNTHETIC PACKING |
| SURFACE TREATMENT | ANODIZE |
| STYLE DESIGNATOR | A3 STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
| CONNECTION STYLE | B45 FLARELESS 1ST END |
| SEAT ANGLE | 24.0 DEGREES 1ST END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES 1ST END |
| THREAD SERIES DESIGNATOR | UNF 1ST END |
| NOMINAL THREAD SIZE | 0.750 INCHES 1ST END |
| THREAD QUANTITY PER INCH | 16 1ST END |
| THREAD CLASS | 3A 1ST END |
| THREAD DIRECTION | RIGHT-HAND 1ST END |
| MOUNTING POSITION | HORIZONTAL |
| SPECIAL FEATURES | OVER-ALL DIM.,3.345 IN. LG,1.000 IN. ACROSS FLATS |
| (NON-CORE DATA) APERTURE DIAMETER | 0.056 INCHES NOMINAL |
| MANUFACTURERS CODE | 26044 |
| DESIGN CONTROL REFERENCE | 21R3482-56-30 |
Restrictions/Controls & Freight Information | NSN 4820-00-448-0236
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | B | Munitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.) |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 127220 | PRESSURE REG/RED/RELIEF VALVES NOI |
| Less than car load rating | P | 77.5 |
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 594 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | ||
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | Z | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |