The Valve,check, cataloged under National Stock Number 4820-00-034-7669, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-034-7669 |
| Primary Part Number | S4824-3157044LH |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flow Control Device | DISK OR CONE |
| Flange Shape | ROUND WITH HOLES THIRD END |
| Flange Face Design | PLAIN THIRD END |
| Style Designator | CROSS FLANGED ENDS |
| Valve Size | 3.000 INCHES IN |
| Second Connection Face to Centerline Distance | 8.500 INCHES IN |
| Disk Loading Method | SPRING |
| Mounting Facility | BRACKET(S) |
| First Connection Face to Centerline Distance | 8.500 INCHES IN |
| Material | STEEL CORROSION RESISTING SEAT |
| 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 |
|---|---|
| S4824-3157044LH PRIMARY | Naval Sea Systems Command (USA) |
| C4089-1LH PRIMARY | Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company (USA) |
NSN 4820-00-034-7669 is a Valve,check, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-034-7669 has 2 manufacturer part numbers on file: S4824-3157044LH (Naval Sea Systems Command), C4089-1LH (Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company).
Key specifications for S4824-3157044LH: Flow Control Device: DISK OR CONE; Flange Shape: ROUND WITH HOLES THIRD END; Flange Face Design: PLAIN THIRD END; Style Designator: CROSS FLANGED ENDS. 11 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.