The Diaphragm, cataloged under National Stock Number 4470-00-995-0693, 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 Babcock & Wilcox Co. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 25 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4470-00-995-0693 |
| Primary Part Number | 2644PC93 |
| Item Name | Diaphragm |
| FSC / FSG | 4470 / 44 — No Item Name Available |
| Manufacturer | Babcock & Wilcox Co |
| Status | CANCELLED |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CO NTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |
| Criticality Code Justification | ZZZY |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2644PC93 | Babcock & Wilcox Co (USA) |
| 820-5348548IT 11 | Naval Sea Systems Command (USA) |
| 24980F PC106 | Babcock & Wilcox Companies, the Div Sales & Service (USA) |
| E-232-685 | Combustion Engineering Inc Chattanooga Works (USA) |
| 910D979PC5 | Babcock & Wilcox Companies, the Div Sales & Service (USA) |
| 820-4384426,IT.5 | Mcdermott Inc (USA) |
| NF42633PC577 | Amec Foster Wheeler North America Corp. Dba Foster Wheeler (USA) |
| 906J190PC9 | Westinghouse Electric Corp Power Generation-Turbine Div (USA) |
| 820-4384426PC5 | Naval Ship Systems Command (USA) |
| 368B491PC2 | Westinghouse Electric Corp Power Generation-Turbine Div (USA) |
| 18530FPC79 | Babcock & Wilcox Co (USA) |
| E231-924PC924-05 | Combustion Engineering Inc Chattanooga Works (USA) |
| 71-02-31139E12IT46 | Struthers Wells Corp (USA) |
| 29452F MK 30-426 | Babcock & Wilcox Companies, the Div Sales & Service (USA) |
| 493078 PC. 273587 | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
| NF-42637IT577 | Amec Foster Wheeler North America Corp. Dba Foster Wheeler (USA) |
| 368B491PC2 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| 910D979PC5 | Cbs Broadcasting Inc. Dba Cbs Div Bechtel Plant Machinery Inc. - Pittsburgh (USA) |
| E232-681PC685-14 | Combustion Engineering Inc Chattanooga Works (USA) |
| HE85009SHT11-114 | A. O. Smith Corporation Dba a O Smith Corp (USA) |
NSN 4470-00-995-0693 is a Diaphragm, manufactured by Babcock & Wilcox Co, classified under FSC 4470 (No Item Name Available). Status: cancelled.
NSN 4470-00-995-0693 has 25 cross-referenced part numbers: 2644PC93 (Babcock & Wilcox Co), 820-5348548IT 11 (Naval Sea Systems Command), 24980F PC106 (Babcock & Wilcox Companies, the Div Sales & Service), E-232-685 (Combustion Engineering Inc Chattanooga Works), 910D979PC5 (Babcock & Wilcox Companies, the Div Sales & Service) and 20 more.
There are 3 known substitutes for 4470-00-995-0693: 4470-00-878-5744, 4470-00-995-0681, 4820-01-234-3671. Verify interchangeability with system specifications before substitution.
Key specifications for 2644PC93: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CO NTROL, MANUFACTURING AND TESTING SPECIFICATIONS.; Criticality Code Justification: ZZZY. 2 total characteristics are documented in the Federal Logistics Information System.
NSN 4470-00-995-0693 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.