The Valve,check, cataloged under National Stock Number 4820-00-810-0888, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-810-0888 |
| Primary Part Number | F59A0007 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | PLAIN (TUBE) FIRST END |
| Mounting Position | HORIZONTAL |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | QQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | MIL-S-5059,TYPE 302,ANNEALED MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | QQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 1.562 INCHES FIRST END IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 1.625 INCHES FIRST END IN |
| Nominal Thread Size | 1.312 INCHES SECOND END IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Disk Loading Method | SPRING |
| Surface Treatment | ANODIZE |
| Thread Class | 3A FIRST END A |
| Thread Class | 3A SECOND END A |
| Thread Quantity Per Inch | 12 SECOND END |
| Thread Quantity Per Inch | 18 FIRST END |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | ALUMINUM ALLOY 2024 BODY |
| Material | ALUMINUM ALLOY 2024 SEAT |
| Thread Series Designator | UNEF FIRST END |
| Thread Series Designator | UN SECOND END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| F59A0007 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics (USA) |
| Reference | Meaning |
|---|---|
| S6130-62103-1 | 7/2 Vendor item drawing reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| F59A0007 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-810-0888 is a Valve,check, manufactured by Parker-Hannifin Corporation Dba Pneutronics, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-810-0888 has 1 manufacturer part number on file: F59A0007 (Parker-Hannifin Corporation Dba Pneutronics).
Key specifications for F59A0007: Flow Control Device: DISK; Connection Style: FLARED (TUBE) SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Mounting Position: HORIZONTAL. 28 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.