The Valve,safety Relief, cataloged under National Stock Number 4820-00-328-8180, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tactair Fluid Controls Inc. Government technical data includes 25 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-328-8180 |
| Primary Part Number | HP1207100-1 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Thread Class | 3B SECOND END3B SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES SECOND END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END0.562 INCHES FIRST END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Class | 3A FIRST END3A FIRST END A |
| Valve Discharge Flow Rate | 2.0 GALLONS PER MINUTE2.0 GALLONS PER MINUTE |
| Disk Loading Method | SPRINGSPRING |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES SECOND END0.375 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND ENDUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Valve Operation Method | AUTOMATICAUTOMATIC |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
| Seat Angle | 37.0 DEGREES SECOND END18.0 DEGREES FIRST END |
| Connection Type | THREADED INTERNAL BOSS SECOND ENDTHREADED INTERNAL BOSS SECOND END |
| Thread Direction | RIGHT-HAND FIRST ENDRIGHT-HAND FIRST END |
| Nominal Thread Size | 0.562 INCHES SECOND END0.562 INCHES SECOND END IN |
| Thread Quantity Per Inch | 18 FIRST END18 FIRST END |
| Flow Control Device | POPPETPOPPET |
| Surface Treatment | PAINT LOCATION NOT OTHERWISE SPECIFIED |
| Thread Quantity Per Inch | 18 SECOND END18 SECOND END |
| Thread Direction | RIGHT-HAND SECOND ENDRIGHT-HAND SECOND END |
| Features Provided | VALVE STEM LOCK SHIELD AND VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDEPRESSURE TIGHT OUTLET SIDE |
| Connection Style | FLARELESS (TUBE) FIRST ENDFLARELESS (TUBE) FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A51H9190-1 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA) |
| A51H9190-1 | Northrop Grumman Systems Corporation (USA) |
| HP1207100-1 | Teledyne Hydra-Power Div of Teledyne Inc (USA) |
| HP1207100-1 PRIMARY | Tactair Fluid Controls Inc (USA) |
| 51210 PRIMARY | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
NSN 4820-00-328-8180 is a Valve,safety Relief, manufactured by Tactair Fluid Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-328-8180 has 5 cross-referenced part numbers: A51H9190-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems), A51H9190-1 (Northrop Grumman Systems Corporation), HP1207100-1 (Teledyne Hydra-Power Div of Teledyne Inc), HP1207100-1 (Tactair Fluid Controls Inc), 51210 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).
There are 9 known substitutes for 4820-00-328-8180: 5940-00-104-4140, 5340-00-290-4528, 5365-00-715-8638 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for HP1207100-1: Media for Which Designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE; Thread Class: 3B SECOND END3B SECOND END; Connection Type: THREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END; Nominal Outside Diameter Tube Accommodated: 0.375 INCHES SECOND END IN. 25 total characteristics are documented in the Federal Logistics Information System.