The Valve,stop-Check, cataloged under National Stock Number 4820-01-218-6616, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Deere & Company Dba Deere John Co. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-218-6616 |
| Primary Part Number | AT36766 |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Deere & Company Dba Deere John Co |
| Status | ACTIVE |
| Connection Style | PLAIN, OPTIONAL END (PIPE) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Supplementary Features | FLOW CONTROL DEVICE: STEM |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Style Designator | STRAIGHT THRU |
| Bonnet Type | INSIDE SCREW |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Bonnet Attachment Method | THREADED |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 20 FIRST END |
| Material | COPPER ALLOY BODY |
| Thread Series Designator | NPTF SECOND END |
| Thread Series Designator | UNF FIRST END |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| AT36766 PRIMARY | Deere & Company Dba Deere John Co (USA) |
| Reference | Meaning |
|---|---|
| AT36766 | 5/9 Secondary reference Deere & Co |
NSN 4820-01-218-6616 is a Valve,stop-Check, manufactured by Deere & Company Dba Deere John Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-218-6616 has 1 manufacturer part number on file: AT36766 (Deere & Company Dba Deere John Co).
Key specifications for AT36766: Connection Style: PLAIN, OPTIONAL END (PIPE) SECOND END; Connection Style: FLARED (TUBE) FIRST END; Mounting Position: HORIZONTAL OR VERTICAL; Supplementary Features: FLOW CONTROL DEVICE: STEM. 19 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.