The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, surface_treatment: ZINC OVERALL, end_item_identification: 4"PRESSURE REDUCING VALVE, material_document_and_classification: STM-A401 ASSN STD SINGLE MATERIAL RESPONSE OVERALL, part_name_assigned_by_controlling_agency: SPRING,HELICAL. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-01-556-9402, 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 | STEEL OVERALL |
| coil_quantity | 1 |
| surface_treatment | ZINC OVERALL |
| end_item_identification | 4"PRESSURE REDUCING VALVE |
| material_document_and_classification | STM-A401 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| part_name_assigned_by_controlling_agency | SPRING,HELICAL |
| NSN | 6685-01-556-9402 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | (INAVY) THERMOMETER |
| END ITEM IDENTIFICATION | NAVIGATIONAL EQUIPMENT UNIQUE TO LCS-1 CLASS |
| SCALE TYPE | DIAL |
| SPECIAL FEATURES | 4 INCH DIAMTER DIAL; 5.500 INCH BASE; 2.875 INCH DEPTH IN |