NSN 4820-01-052-9688 K1221810, K-1221-8-10, 37C301075P105
Product Details | RESTRICTOR CHECK VALVE
4820-01-052-9688 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: K1221810, K-1221-8-10, 37C301075P105, 4820-01-052-9688, 01-052-9688, 4820010529688, 010529688
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 22 DEC 1977 | 01-052-9688 | 20520 ( VALVE, RESTRICTOR CHECK ) |
Drawings & Photos | NSN 4820-01-052-9688
Demand History | NSN 4820-01-052-9688
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 37C301075P105 | 2012-02-41 | 1 | Pakistan |
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Related Products | NSN 4820-01-052-9688
Technical Data | NSN 4820-01-052-9688
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM BODY IRON CAST FLOW CONTROL DEVICE |
| STYLE DESIGNATOR | A3 STRAIGHT THRU |
| FLOW CONTROL DEVICE | DISK |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL TUBE 2ND END |
| CONNECTION STYLE | B42 FLARED 1ST END |
| SEAT ANGLE | 37.0 DEGREES 1ST END 37.0 DEGREES 2ND END |
| THREAD SERIES DESIGNATOR | UNF 1ST END UNF 2ND END |
| NOMINAL THREAD SIZE | 0.750 INCHES 1ST END 0.563 INCHES 2ND END |
| THREAD CLASS | 3A 1ST END 3A 2ND END |
| THREAD DIRECTION | RIGHT-HAND 1ST END RIGHT-HAND 2ND END |
| MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| RENEWABLE SEAT RING TYPE | THREADED |
| DISK LOADING METHOD | SPRING |
| (NON-CORE DATA) APERTURE DIAMETER | 0.016 INCHES NOMINAL |
| MANUFACTURERS CODE | 55469 |
| DESIGN CONTROL REFERENCE | K-1221-8-10 |
Restrictions/Controls & Freight Information | NSN 4820-01-052-9688
| 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: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| 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 |
|---|---|---|
| No Freight Information | ||