The Valve,check, cataloged under National Stock Number 4820-00-475-5846, 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 24 verified specifications, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-475-5846 |
| Primary Part Number | 3072 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Seat Angle | 24.0 DEGREES FIRST END |
| Connection Style | FLARELESS FIRST END |
| Thread Direction | RIGHT-HAND SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Flow Control Device | POPPET |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Criticality Code Justification | FEAT |
| Style Designator | STRAIGHT THRU |
| Surface Treatment | PASSIVATE |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Connection Style | FLARELESS SECOND END |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Disk Loading Method | SPRING |
| Mounting Position | HORIZONTAL |
| Nominal Thread Size | 0.437 INCHES FIRST END IN |
| Seat Angle | 24.0 DEGREES SECOND END |
| Thread Class | 3A SECOND END A |
| Valve Operation Method | AUTOMATIC |
| Thread Class | 3A FIRST END A |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.562 INCHES SECOND END IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3072 PRIMARY | Tactair Fluid Controls Inc (USA) |
| S3072 | Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair (USA) |
| 3072 | Kaiser Fluid Technologies Inc. (USA) |
| 3072 | Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair (USA) |
| S3072 | Kaiser Fluid Technologies Inc. (USA) |
NSN 4820-00-475-5846 is a Valve,check, manufactured by Tactair Fluid Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-475-5846 has 5 cross-referenced part numbers: 3072 (Tactair Fluid Controls Inc), S3072 (Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair), 3072 (Kaiser Fluid Technologies Inc.), 3072 (Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair), S3072 (Kaiser Fluid Technologies Inc.).
There are 12 known substitutes for 4820-00-475-5846: 5950-00-043-4575, 5975-00-141-0531, 6220-00-176-0273 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3072: Seat Angle: 24.0 DEGREES FIRST END; Connection Style: FLARELESS FIRST END; Thread Direction: RIGHT-HAND SECOND END; Connection Type: THREADED EXTERNAL TUBE FIRST END. 26 total characteristics are documented in the Federal Logistics Information System.