The Valve,check, cataloged under National Stock Number 4820-01-305-9787, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Corporation Dba Eaton Inoac Div Eaton. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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 | 4820-01-305-9787 |
| Primary Part Number | 55009 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Eaton Corporation Dba Eaton Inoac Div Eaton |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 NUT AND 2 TAILPIECE |
| Media for Which Designed | OIL, HYDRAULIC SINGLE RESPONSE |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | STEEL COMP 416 FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING BODY |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Valve Operation Method | AUTOMATIC |
| Nominal Pipe Size Accommodated | 1.000 INCHES ALL ENDS IN |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Flow Control Device | DISK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 330576 ASSY N | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 330576 ASSY N | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
| 55009 PRIMARY | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
NSN 4820-01-305-9787 is a Valve,check, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-305-9787 has 3 cross-referenced part numbers: 330576 ASSY N (Huntington Ingalls Inc Div Newport News Shipbuilding), 330576 ASSY N (Eaton Corporation Dba Eaton Inoac Div Eaton), 55009 (Eaton Corporation Dba Eaton Inoac Div Eaton).
There are 5 known substitutes for 4820-01-305-9787: 5330-00-286-9950, 5330-00-291-1620, 5360-00-889-3216 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 55009: Furnished Items and Quantity: 2 NUT AND 2 TAILPIECE; Media for Which Designed: OIL, HYDRAULIC SINGLE RESPONSE; Style Designator: STRAIGHT THRU; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 11 total characteristics are documented in the Federal Logistics Information System.