The Valve,bleeder,hydraulic System, cataloged under National Stock Number 4820-01-336-0223, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ausco Inc. Government technical data includes 16 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-336-0223 |
| Primary Part Number | A271 |
| Item Name | Valve,bleeder,hydraulic System |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Ausco Inc |
| Status | CANCELLED |
| Flow Control Device | DISK |
| Thread Quantity Per Inch | 16 ALL ENDS |
| Material | STEEL CORROSION RESISTING STEM |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Operating Pressure | 115.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Material | STEEL CORROSION RESISTING BODY |
| Connection Type | THREADED EXTERNAL BOSS ALL ENDS |
| Thread Class | 3A ALL ENDS A |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Valve Operation Method | MANUAL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A-271 | Control Flow, Inc. Dba Control Flow Inc (USA) |
| A271 PRIMARY | Ausco Inc (USA) |
| A-271 | Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA) |
| 1711043-245 | Arkwin Industries, Inc. Dba Arkwin Industries Inc (USA) |
| A271 | Alta Hydraulics Inc (USA) |
NSN 4820-01-336-0223 is a Valve,bleeder,hydraulic System, manufactured by Ausco Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-336-0223 has 5 cross-referenced part numbers: A-271 (Control Flow, Inc. Dba Control Flow Inc), A271 (Ausco Inc), A-271 (Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division), 1711043-245 (Arkwin Industries, Inc. Dba Arkwin Industries Inc), A271 (Alta Hydraulics Inc).
There are 4 known substitutes for 4820-01-336-0223: 5340-00-124-5273, 1040-00-318-7476, 3120-00-891-8887 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for A271: Flow Control Device: DISK; Thread Quantity Per Inch: 16 ALL ENDS; Material: STEEL CORROSION RESISTING STEM; Nominal Thread Size: 0.750 INCHES ALL ENDS IN. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-336-0223 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.