NSN 4820-01-030-1657 1819, 1838-015-01 , 01-030-1657
Product Details | HYDRAULIC SYSTEM BLEEDER VALVE
4820-01-030-1657 A metallic, threaded, screw-shaped item used in hydraulic brake cylinders, hydraulic power units, missile launching hydraulic systems, and the like, for the purpose of providing a means of releasing air form and/or flushing a hydraulic system. It may be furnished with or without a dust cap. Excludes spring loaded or automatic type air pressure relief valves, and BOLT, FLUID PASSAGE.
Part Alternates: 1819, 1838-015-01 , 4820-01-030-1657, 01-030-1657, 4820010301657, 010301657, 183801501
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 30 OCT 1976 | 01-030-1657 | 37648 ( VALVE, BLEEDER, HYDRAULIC SYSTEM ) |
Drawings & Photos | NSN 4820-01-030-1657
Demand History | NSN 4820-01-030-1657
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 4820-01-030-1657 | 2025-03-77 | 15 | US |
| 1838-015-01 | 2021-03-88 | 4 | DIBBS |
| 1838-015-01 | 2021-03-83 | 1 | DIBBS |
| 1838-015-01 | 2021-03-75 | 4 | DIBBS |
| 1838-015-01 | 2021-03-63 | 1 | DIBBS |
| 1838-015-01 | 2021-02-42 | 1 | DIBBS |
| 1838-015-01 | 2021-01-05 | 1 | DIBBS |
| 1838-015-01 | 2020-09-253 | 2 | DIBBS |
| 1819 | 2019-07-212 | 12 | |
| 1838-015-01 | 2019-06-154 | 3 | DIBBS |
| 1838-015-01 | 2019-05-142 | 3 | DIBBS |
| 4820-01-030-1657 | 2018-12-346 | 3 | DIBBS |
| 1819 | 2018-12-342 | 12 | |
| 4820-01-030-1657 | 2018-08-243 | 3 | DIBBS |
| 4820-01-030-1657 | 2018-06-177 | 3 | DIBBS |
| 1819 | 2018-04-109 | 5 | |
| 1819 | 2018-03-82 | 5 | |
| 4820-01-030-1657 | 2015-02-48 | 1 | DIBBS |
| 4820-01-030-1657 | 2015-01-28 | 1 | US |
| 4820-01-030-1657 | 2014-08-232 | 1 | DIBBS |
| 1819 | 2014-07-198 | 100 | Mexico |
| 1819 | 2014-03-84 | 15 | |
| 4820-01-030-1657 | 2014-02-44 | 1 | DIBBS |
| 4820-01-030-1657 | 2012-10-302 | 1 | DIBBS |
| 4820-01-030-1657 | 2012-04-110 | 1 | DIBBS |
| 4820-01-030-1657 | 2012-02-38 | 1 | DIBBS |
| 4820-01-030-1657 | 2010-09-246 | 1 | DIBBS |
| 4820-01-030-1657 | 2010-03-70 | 1 | DIBBS |
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Technical Data | NSN 4820-01-030-1657
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| STYLE DESIGNATOR | A1 STRAIGHT THRU |
| FLOW CONTROL DEVICE | DISK |
| MAXIMUM OPERATING PRESSURE | 5000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| VALVE OPERATION METHOD | MANUAL |
| CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| CONNECTION STYLE | G46A PLAIN 1ST END G42 FLARED 2ND END |
| SEAT ANGLE | 60.0 DEGREES 2ND END |
| THREAD SERIES DESIGNATOR | UNF ALL ENDS |
| NOMINAL THREAD SIZE | 0.500 INCHES 1ST END 0.313 INCHES 2ND END |
| THREAD CLASS | 3A ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
Restrictions/Controls & Freight Information | NSN 4820-01-030-1657
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| 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. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| 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 |
|---|---|---|
| NMF Description | 127220 | PRESSURE REG/RED/RELIEF VALVES NOI |
| Less than car load rating | ||
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 576 | unknown |
| Originating Activity Code | AX | Defense Supply Center Columbus Columbus, OH 43216-5000 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |
Management | NSN 4820-01-030-1657
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |