The Piston,valve, cataloged under National Stock Number 4820-00-343-6043, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-343-6043 |
| Primary Part Number | 990045AK9 |
| Item Name | Piston,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 990045AK9 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| 8645B | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| 8645B | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| 306A | Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co. (USA) |
| V1908 | Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co. (USA) |
NSN 4820-00-343-6043 is a Piston,valve, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-343-6043 has 5 cross-referenced part numbers: 990045AK9 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 8645B (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 8645B (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 306A (Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co.), V1908 (Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co.).
There are 5 known substitutes for 4820-00-343-6043: 5835-00-227-7372, 6210-00-299-7347, 3110-00-554-6051 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 990045AK9: Material: STEEL CORROSION RESISTING. 1 total characteristics are documented in the Federal Logistics Information System.