The Diaphragm, cataloged under National Stock Number 4470-00-878-5744, 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 Westinghouse Electric Corp. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4470-00-878-5744 |
| Primary Part Number | 935B403-2 |
| Item Name | Diaphragm |
| FSC / FSG | 4470 / 44 — No Item Name Available |
| Manufacturer | Westinghouse Electric Corp |
| 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 |
|---|---|
| 935B403-2 | Westinghouse Electric Corp (USA) |
| 906J190PC9 | Westinghouse Electric Corp Power Generation-Turbine Div (USA) |
| 905J568PC9 | Westinghouse Electric Corp (USA) |
| 935B403PC2 | Westinghouse Electric Corp (USA) |
NSN 4470-00-878-5744 is a Diaphragm, manufactured by Westinghouse Electric Corp, classified under FSC 4470 (No Item Name Available). Status: active.
NSN 4470-00-878-5744 has 4 cross-referenced part numbers: 935B403-2 (Westinghouse Electric Corp), 906J190PC9 (Westinghouse Electric Corp Power Generation-Turbine Div), 905J568PC9 (Westinghouse Electric Corp), 935B403PC2 (Westinghouse Electric Corp).
There is 1 known substitute for 4470-00-878-5744: 4470-00-995-0693. Verify interchangeability with system specifications before substitution.
Key specifications for 935B403-2: 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.