The Seal Ring Nuclear Coolant System, cataloged under National Stock Number 4470-00-892-5966, 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 Spx Flow Us, Llc Dba Spx Valves & Controls. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4470-00-892-5966 |
| Primary Part Number | 1-77549 |
| Item Name | Seal Ring Nuclear Coolant System |
| FSC / FSG | 4470 / 44 — No Item Name Available |
| Manufacturer | Spx Flow Us, Llc Dba Spx Valves & Controls |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |
| Criticality Code Justification | ZZZY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1-77549 | Spx Flow Us, Llc Dba Spx Valves & Controls (USA) |
| E1-75885PC20 | Spx Flow Us, Llc Dba Spx Valves & Controls (USA) |
NSN 4470-00-892-5966 is a Seal Ring Nuclear Coolant System, manufactured by Spx Flow Us, Llc Dba Spx Valves & Controls, classified under FSC 4470 (No Item Name Available). Status: active.
NSN 4470-00-892-5966 has 2 cross-referenced part numbers: 1-77549 (Spx Flow Us, Llc Dba Spx Valves & Controls), E1-75885PC20 (Spx Flow Us, Llc Dba Spx Valves & Controls).
There is 1 known substitute for 4470-00-892-5966: 2530-01-130-5537. Verify interchangeability with system specifications before substitution.
Key specifications for 1-77549: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.; Criticality Code Justification: ZZZY. 2 total characteristics are documented in the Federal Logistics Information System.