The Valve,check, cataloged under National Stock Number 4820-00-875-9928, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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 | 4820-00-875-9928 |
| Primary Part Number | 46-2020-016 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Surface Treatment | PASSIVATE |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Valve Operation Method | AUTOMATIC |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Class | 3A ALL ENDS A |
| Connection Style | FLARELESS ALL ENDS |
| Seat Angle | 12.0 DEGREES FIRST END |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Media for Which Designed | ETHYLENE GLYCOL SINGLE RESPONSE |
| Thread Series Designator | UNF ALL ENDS |
| Material | STEEL CORROSION RESISTING BODY |
| Maximum Operating Temp | 185.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Test Data Document | 18876-9176185 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Style Designator | STRAIGHT THRU |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Flow Control Device | CONE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 46-2020-016 | Honeywell International Inc. Dba Honeywell International (USA) |
| 46-2020-016 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| 9176185-3 | Us Army Aviation and Missile Command (USA) |
| 1431000 | Sielman S.a. (GRC) |
| 46-2020-016 | Grimes Aerospace Company (USA) |
NSN 4820-00-875-9928 is a Valve,check, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-875-9928 has 5 cross-referenced part numbers: 46-2020-016 (Honeywell International Inc. Dba Honeywell International), 46-2020-016 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 9176185-3 (Us Army Aviation and Missile Command), 1431000 (Sielman S.a.), 46-2020-016 (Grimes Aerospace Company).
There is 1 known substitute for 4820-00-875-9928: 4730-00-196-1506. Verify interchangeability with system specifications before substitution.
Key specifications for 46-2020-016: Surface Treatment: PASSIVATE; Nominal Thread Size: 0.750 INCHES ALL ENDS IN; Valve Operation Method: AUTOMATIC; Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 18 total characteristics are documented in the Federal Logistics Information System.