The Valve,stop-Check, cataloged under National Stock Number 4820-00-623-7680, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hale Products, Inc.. Government technical data includes 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-00-623-7680 |
| Primary Part Number | 538-1340-01 |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hale Products, Inc. |
| Status | ACTIVE |
| Flow Control Device | BALL |
| Flange Shape | OVAL WITH HOLES FIRST END |
| Nominal Pipe Size Accommodated | 0.500 INCHES THIRD END IN |
| Flange Face Design | PLAIN FIRST END |
| Connection Style | PLAIN, OPTIONAL END (PIPE) SECOND END |
| Connection Style | SOCKET (PIPE) THIRD END |
| Nominal Length | 2.600 INCHES FIRST END IN |
| Bolt Circle Nominal Diameter | 0.840 INCHES FIRST END IN |
| Mounting Position | HORIZONTAL |
| Connection Type | UNTHREADED INTERNAL PIPE THIRD END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Type | FLANGE FIRST END |
| Bolt Hole Nominal Diameter | 0.335 INCHES FIRST END IN |
| Offset Distance | 1.500 INCHES IN |
| Bonnet Type | INSIDE SCREW |
| Thread Direction | RIGHT-HAND SECOND END |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Bolt Hole Quantity | 2 FIRST END |
| Bonnet Attachment Method | INTEGRAL |
| Nominal Width | 1.205 INCHES FIRST END IN |
| Material | COPPER ALLOY BODY |
| Material | PLASTIC FLOW CONTROL DEVICE |
| Thread Series Designator | NPT SECOND END |
| Valve Operation Method | MANUAL |
| Nominal Thickness | 0.960 INCHES FIRST END IN |
| 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 |
|---|---|
| 538-1340-01 PRIMARY | Hale Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 12PGG38 | 5/9 Secondary reference Hale Products, Inc. |
NSN 4820-00-623-7680 is a Valve,stop-Check, manufactured by Hale Products, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-623-7680 has 1 manufacturer part number on file: 538-1340-01 (Hale Products, Inc.).
Key specifications for 538-1340-01: Flow Control Device: BALL; Flange Shape: OVAL WITH HOLES FIRST END; Nominal Pipe Size Accommodated: 0.500 INCHES THIRD END IN; Flange Face Design: PLAIN FIRST END. 25 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.