The Valve,check, cataloged under National Stock Number 4820-00-489-8236, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Swagelok Co. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 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 | 4820-00-489-8236 |
| Primary Part Number | SS-6C-25 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Renewable Seat Ring Type | PRESSED-IN |
| Disk Loading Method | SPRING |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Thread Series Designator | UNF ALL ENDS |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Nominal Thread Size | 0.562 INCHES ALL ENDS IN |
| Style Designator | STRAIGHT THRU |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Material Document and Classification | FED STD 66,AISI 316/SAE 30316 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Material | STEEL COMP 316 OVERALL |
| Thread Class | 3A ALL ENDS A |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Thread Quantity Per Inch | 18 FIRST END |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 300.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Valve Operation Method | AUTOMATIC |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 290735 | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| TRW290735 | Howden Fluid Systems (USA) |
| TRW290735 | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| SS-6C-25 PRIMARY | Swagelok Co (USA) |
| 6C25 | Nupro Co (USA) |
| 290735 | Howden Fluid Systems (USA) |
| SS-6C-25 | Nupro Co (USA) |
| 6C | Nupro Co (USA) |
NSN 4820-00-489-8236 is a Valve,check, manufactured by Swagelok Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-489-8236 has 8 cross-referenced part numbers: 290735 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), TRW290735 (Howden Fluid Systems), TRW290735 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), SS-6C-25 (Swagelok Co), 6C25 (Nupro Co) and 3 more.
There are 12 known substitutes for 4820-00-489-8236: 4320-00-019-2991, 3110-00-155-9113, 3405-00-203-1971 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for SS-6C-25: Flow Control Device: POPPET; Renewable Seat Ring Type: PRESSED-IN; Disk Loading Method: SPRING; Thread Direction: RIGHT-HAND ALL ENDS. 19 total characteristics are documented in the Federal Logistics Information System.