NSN 4820-01-122-2177 SS4P4, SS-4P-4, D-04N-0-99-011 ITEM 33
Product Details | HYDRAULIC SYSTEM BLEEDER VALVE
4820-01-122-2177 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: SS4P4, SS-4P-4, D-04N-0-99-011 ITEM 33, D04N099011ITEM33, 4P4, 4P-4, 4820-01-122-2177, 01-122-2177, 4820011222177, 011222177
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 18 NOV 1981 | 01-122-2177 | 37648 ( VALVE, BLEEDER, HYDRAULIC SYSTEM ) |
Demand History | NSN 4820-01-122-2177
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| D-04N-0-99-011 ITEM 33 | 2025-03-86 | 25 | DIBBS |
| SS-4P-4 | 2025-03-86 | 25 | DIBBS |
| D-04N-0-99-011 ITEM 33 | 2022-06-167 | 25 | DIBBS |
| SS-4P-4 | 2022-06-167 | 25 | DIBBS |
| D-04N-0-99-011 ITEM 33 | 2020-12-338 | 192 | DIBBS |
| SS-4P-4 | 2020-12-338 | 192 | DIBBS |
| 4820-01-122-2177 | 2018-08-228 | 80 | DIBBS |
| 4820-01-122-2177 | 2017-08-219 | 51 | DIBBS |
| 4820-01-122-2177 | 2016-09-251 | 115 | DIBBS |
| 4820-01-122-2177 | 2014-08-218 | 84 | DIBBS |
| 4820-01-122-2177 | 2014-03-78 | 61 | DIBBS |
| 4820-01-122-2177 | 2014-01-29 | 21 | DIBBS |
| 4820-01-122-2177 | 2012-10-285 | 5 | DIBBS |
| 4820-01-122-2177 | 2012-10-277 | 6 | DIBBS |
| 4820-01-122-2177 | 2012-10-276 | 0 | DIBBS |
| 4820-01-122-2177 | 2012-08-243 | 6 | DIBBS |
| 4820-01-122-2177 | 2012-08-230 | 9 | DIBBS |
| 4820-01-122-2177 | 2012-08-215 | 20 | DIBBS |
| 4820-01-122-2177 | 2012-06-181 | 7 | DIBBS |
| 4820-01-122-2177 | 2012-03-69 | 0 | DIBBS |
| 4820-01-122-2177 | 2012-02-40 | 9 | DIBBS |
| 4820-01-122-2177 | 2012-01-04 | 13 | DIBBS |
| 4820-01-122-2177 | 2011-12-362 | 8 | DIBBS |
| 4820-01-122-2177 | 2008-12-357 | 40 | DIBBS |
| 4820-01-122-2177 | 2008-11-317 | 7 | DIBBS |
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Related Products | NSN 4820-01-122-2177
Technical Data | NSN 4820-01-122-2177
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL BODY |
| STYLE DESIGNATOR | A7 ANGLE |
| FLOW CONTROL DEVICE | STEM |
| MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| VALVE OPERATION METHOD | MANUAL |
| CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| CONNECTION STYLE | G45 FLARELESS ALL ENDS |
| SEAT ANGLE | 12.5 DEGREES ALL ENDS |
| THREAD SERIES DESIGNATOR | UNF ALL ENDS |
| NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS |
| THREAD CLASS | 2A ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
Restrictions/Controls & Freight Information | NSN 4820-01-122-2177
| 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: | 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 | 051080 | FAUCETS,BIBCOCKS,GATES VALVES |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| 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 4820-01-122-2177
| 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 | D | DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |



