The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: NICKEL STEM, bonnet_type: INSIDE SPRING, style_designator: ANGLE, disk_loading_method: SPRING, valve_operation_method: AUTOMATIC, end_item_identification: LOS ANGELES CLASS SSN (688). This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-498-9252, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | NICKEL STEM |
| bonnet_type | INSIDE SPRING |
| style_designator | ANGLE |
| disk_loading_method | SPRING |
| valve_operation_method | AUTOMATIC |
| end_item_identification | LOS ANGELES CLASS SSN (688) |
| bonnet_attachment_method | BOLTED |
| material_document_and_classification | QQ-N-281 CL A OR B ASSN STD SINGLE MATERIAL RESPONSE STEM |
| part_name_assigned_by_controlling_agency | 2 INCH RELIEF VALVE TYPE 1551-T IN |
| NSN | 4820-01-498-9252 |
| DISK LOADING METHOD | SPRING |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-288 COMP A ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-288 COMP A ASSN STD SINGLE MATERIAL RESPONSE BODY |
| BONNET ATTACHMENT METHOD | BOLTED |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CL A OR B ASSN STD SINGLE MATERIAL RESPONSE STEM |
| STYLE DESIGNATOR | ANGLE |
| END ITEM IDENTIFICATION | LOS ANGELES CLASS SSN (688) |
| MATERIAL | NICKEL ALLOY SEAT |
| MATERIAL | NICKEL STEM |
| VALVE OPERATION METHOD | AUTOMATIC |