The Valve,check, cataloged under National Stock Number 4820-01-097-9787, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Jamaica Bearings Co., Inc. Dba Jamaica Bearings Co., Inc.. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-097-9787 |
| Primary Part Number | 37423 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Jamaica Bearings Co., Inc. Dba Jamaica Bearings Co., Inc. |
| Status | ACTIVE |
| Flow Control Device | POPPETPOPPET |
| Mounting Position | HORIZONTAL OR HORIZONTAL OR VERTICALVERTICAL |
| Connection Type | UNTHREADED CARTRIDGE ALL ENDSUNTHREADED CARTRIDGE ALL ENDS |
| Disk Loading Method | SPRINGSPRING |
| Material | STEEL BODY |
| Valve Operation Method | AUTOMATICAUTOMATIC |
| 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 |
|---|---|
| 37423 | Jamaica Bearings Co., Inc. Dba Jamaica Bearings Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 37423 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-097-9787 is a Valve,check, manufactured by Jamaica Bearings Co., Inc. Dba Jamaica Bearings Co., Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-097-9787 has 1 manufacturer part number on file: 37423 (Jamaica Bearings Co., Inc. Dba Jamaica Bearings Co., Inc.).
Key specifications for 37423: Flow Control Device: POPPETPOPPET; Mounting Position: HORIZONTAL OR HORIZONTAL OR VERTICALVERTICAL; Connection Type: UNTHREADED CARTRIDGE ALL ENDSUNTHREADED CARTRIDGE ALL ENDS; Disk Loading Method: SPRINGSPRING. 6 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.