The Valve,stop-Check, cataloged under National Stock Number 4820-00-147-6517, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aerocontrolex Group, Inc. Dba Aero Fluid Products. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-147-6517 |
| Primary Part Number | 55-0400 |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Aerocontrolex Group, Inc. Dba Aero Fluid Products |
| Status | ACTIVE |
| Disk Loading Method | SPRING |
| Valve Operation Method | AUTOMATIC |
| Flange Shape | RECTANGULAR WITH HOLES SECOND END |
| Flange Face Design | PLAIN SECOND END |
| Surface Treatment | ANODIZE |
| Nominal Thickness | 0.281 INCHES SECOND END IN |
| Style Designator | STRAIGHT THRU |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 1.812 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 1.812 INCHES SECOND END IN |
| Bolt Hole Nominal Diameter | 0.250 INCHES SECOND END IN |
| Bonnet Type | PACKING RETAINING |
| Renewable Seat Ring Type | BONDED |
| Material | ALUMINUM ALLOY OVERALL |
| Nominal Width | 2.375 INCHES SECOND END IN |
| Connection Style | SOCKET (TUBE) FIRST END |
| Bolt Hole Quantity | 4 SECOND END |
| Flow Control Device | DISK |
| Nominal Length | 2.375 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 1.500 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6-52934-9 | Northrop Grumman Systems Corporation (USA) |
| 6-52934-9 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| 55-0400 PRIMARY | Aerocontrolex Group, Inc. Dba Aero Fluid Products (USA) |
| 6-52934-9 | Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector (USA) |
NSN 4820-00-147-6517 is a Valve,stop-Check, manufactured by Aerocontrolex Group, Inc. Dba Aero Fluid Products, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-147-6517 has 4 cross-referenced part numbers: 6-52934-9 (Northrop Grumman Systems Corporation), 6-52934-9 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 55-0400 (Aerocontrolex Group, Inc. Dba Aero Fluid Products), 6-52934-9 (Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector).
There are 3 known substitutes for 4820-00-147-6517: 3110-00-227-4667, 3110-01-019-3564, 6520-01-521-6027. Verify interchangeability with system specifications before substitution.
Key specifications for 55-0400: Disk Loading Method: SPRING; Valve Operation Method: AUTOMATIC; Flange Shape: RECTANGULAR WITH HOLES SECOND END; Flange Face Design: PLAIN SECOND END. 19 total characteristics are documented in the Federal Logistics Information System.