The Seal Ring,nuclear Coolant System, cataloged under National Stock Number 4470-00-001-4390, is classified within Federal Supply Class 4470 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Precision Defense Services Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4470-00-001-4390 |
| Primary Part Number | 820-4385031-19 |
| Item Name | Seal Ring,nuclear Coolant System |
| FSC / FSG | 4470 / 44 — No Item Name Available |
| Manufacturer | Precision Defense Services Inc |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 820-4385031-19 | Precision Defense Services Inc (USA) |
| 820-4385031PC19 | Naval Ship Systems Command (USA) |
| 820-4385031-19 | Naval Ship Systems Command (USA) |
NSN 4470-00-001-4390 is a Seal Ring,nuclear Coolant System, manufactured by Precision Defense Services Inc, classified under FSC 4470 (No Item Name Available). Status: active.
NSN 4470-00-001-4390 has 3 cross-referenced part numbers: 820-4385031-19 (Precision Defense Services Inc), 820-4385031PC19 (Naval Ship Systems Command), 820-4385031-19 (Naval Ship Systems Command).
Key specifications for 820-4385031-19: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. 2 total characteristics are documented in the Federal Logistics Information System.