The Valve,check, cataloged under National Stock Number 4820-00-861-0567, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aerocontrolex Group, Inc.. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-861-0567 |
| Primary Part Number | M271 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Aerocontrolex Group, Inc. |
| Status | CANCELLED |
| Material | STEEL CORROSION RESISTING AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE |
| Thread Series Designator | UNF ALL ENDS |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Surface Treatment Document and Classification | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Surface Treatment | ANODIZE |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Material | ALUMINUM ALLOY BODY |
| Material | ALUMINUM ALLOY SEAT |
| Disk Loading Method | SPRING |
| Flow Control Device | POPPET |
| Valve Operation Method | AUTOMATIC |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Thread Class | 3A ALL ENDS A |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Quantity Per Inch | 20 FIRST END |
| Style Designator | STRAIGHT THRU |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M271 PRIMARY | Aerocontrolex Group, Inc. (USA) |
| 5119-4824-3804PC1-217-27 | Naval Ship Systems Command (USA) |
| 78138-1 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| 488-4D1 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| 9081795 | CAGE 00000 |
| 488-4D | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
NSN 4820-00-861-0567 is a Valve,check, manufactured by Aerocontrolex Group, Inc., classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-861-0567 has 6 cross-referenced part numbers: M271 (Aerocontrolex Group, Inc.), 5119-4824-3804PC1-217-27 (Naval Ship Systems Command), 78138-1 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 488-4D1 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 9081795 and 1 more.
There are 6 known substitutes for 4820-00-861-0567: 5305-00-018-1381, 2330-00-407-7904, 5310-00-559-0070 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for M271: Material: STEEL CORROSION RESISTING AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE; Thread Series Designator: UNF ALL ENDS; Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE; Surface Treatment Document and Classification: MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE. 21 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-861-0567 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.