The Valve,special, cataloged under National Stock Number 4470-00-935-5533, 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 Naval Sea Systems Command. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4470-00-935-5533 |
| Primary Part Number | 820-2178450 |
| Item Name | Valve,special |
| FSC / FSG | 4470 / 44 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS |
| Criticality Code Justification | ZZZY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 820-2178450 | Naval Sea Systems Command (USA) |
| 11204 | Flowserve Corporation Div Flowserve Us Inc (USA) |
| V3101-A-PORT24.443-24,536IN.DIA | Naval Sea Systems Command (USA) |
| 820-2178450-TYPE-V-3101A | Naval Sea Systems Command (USA) |
NSN 4470-00-935-5533 is a Valve,special, manufactured by Naval Sea Systems Command, classified under FSC 4470 (No Item Name Available). Status: active.
NSN 4470-00-935-5533 has 4 cross-referenced part numbers: 820-2178450 (Naval Sea Systems Command), 11204 (Flowserve Corporation Div Flowserve Us Inc), V3101-A-PORT24.443-24,536IN.DIA (Naval Sea Systems Command), 820-2178450-TYPE-V-3101A (Naval Sea Systems Command).
There are 12 known substitutes for 4470-00-935-5533: 5940-00-111-3184, 5970-00-158-5607, 5935-00-249-0729 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 820-2178450: Reference Number Differentiating Characteristics: SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS; Criticality Code Justification: ZZZY. 2 total characteristics are documented in the Federal Logistics Information System.