NSN 4820-01-316-4569 D49918, D49918 PART R10AL2L212, D4991812BM1
Product Details | SAFETY RELIEF VALVE
4820-01-316-4569 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
Part Alternates: D49918, D49918 PART R10AL2L212, D4991812BM1, D49918-12-BM1 , D49918PARTR10AL2L212, MILV24332, MIL-V-24332, R10AL2L212, R10AL2L212 AND, R10AL2L212AND, 4820-01-316-4569, 01-316-4569, 4820013164569, 013164569
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 09 MAR 1990 | 01-316-4569 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-316-4569
Demand History | NSN 4820-01-316-4569
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| MILV24332 | 2025-12-346 | 1 | United States |
| D49918-12-BM1 | 2024-09-270 | 1 | DIBBS |
| D49918-12-BM1 | 2023-02-36 | 1 | DIBBS |
| D49918-12-BM1 | 2023-01-23 | 1 | DIBBS |
| D49918-12-BM1 | 2023-01-23 | 1 | DIBBS |
| D49918-12-BM1 | 2023-01-10 | 1 | DIBBS |
| D49918-12-BM1 | 2020-03-72 | 1 | DIBBS |
| 4820-01-316-4569 | 2014-02-59 | 1 | DIBBS |
| 4820-01-316-4569 | 2014-02-44 | 1 | DIBBS |
| 4820-01-316-4569 | 2012-11-317 | 1 | DIBBS |
| 4820-01-316-4569 | 2012-08-236 | 1 | DIBBS |
| 4820-01-316-4569 | 2012-07-197 | 1 | DIBBS |
| 4820-01-316-4569 | 2009-10-282 | 1 | DIBBS |
Cross Reference | NSN 4820-01-316-4569
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| D49918 | 34889 | HUNT VALVE COMPANY INC DBA UNION FLONETICS |
| D49918 PART R10AL2L212 | 34889 | HUNT VALVE COMPANY INC DBA UNION FLONETICS |
| D49918-12-BM1 | 34889 | HUNT VALVE COMPANY INC DBA UNION FLONETICS |
| MIL-V-24332 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY |
| R10AL2L212 | 34889 | HUNT VALVE COMPANY INC DBA UNION FLONETICS |
| R10AL2L212 AND | 34889 | HUNT VALVE COMPANY INC DBA UNION FLONETICS |
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Related Products | NSN 4820-01-316-4569
Technical Data | NSN 4820-01-316-4569
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY 922 BODY NICKEL ALLOY FLOW CONTROL DEVICE PLASTIC POLYTETRAFLUOROETHYLENE PACKING NICKEL ALLOY SEAT STEEL CORROSION RESISTING STEM |
| STYLE DESIGNATOR | C1A ANGLE FLANGED ENDS |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 5.750 INCHES |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 5.750 INCHES |
| VALVE SIZE | 3.000 INCHES |
| FLOW CONTROL DEVICE | DISK |
| MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 150.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
| CONNECTION TYPE | FLANGE ALL ENDS |
| FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| NOMINAL OUTSIDE DIAMETER | 6.625 INCHES ALL ENDS |
| NOMINAL THICKNESS | 0.500 INCHES ALL ENDS |
| BOLT HOLE QUANTITY | 8 ALL ENDS |
| BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES ALL ENDS |
| BOLT CIRCLE NOMINAL DIAMETER | 5.500 INCHES ALL ENDS |
| FLANGE FACE DESIGN | PLAIN ALL ENDS |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | UNION |
| DISK LOADING METHOD | SPRING |
| ADJUSTABLE PRESSURE RANGE | 59.0 TO 72.0 POUNDS PER SQUARE INCH |
| FURNISHED ITEMS AND QUANTITY | 1 LEVER |
| FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| NONDEFINITIVE SPEC/STD DATA | B GRADE |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-V-24332 |
Restrictions/Controls & Freight Information | NSN 4820-01-316-4569
| 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 | 127220 | PRESSURE REG/RED/RELIEF VALVES NOI |
| Less than car load rating | ||
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 594 | 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 | V | Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above. |
| 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 4820-01-316-4569
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 3B | Navy-owned stocks of field level repairable 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 |
| Reparability | D | Field Level Reparables |
| 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 |