The Quad Ring,valve Operator, cataloged under National Stock Number 4820-01-137-0388, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Flowserve Corp Dba Automax Actuators Div Flowserve Us Company. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-137-0388 |
| Primary Part Number | CNI-Q4232-366Y |
| Item Name | Quad Ring,valve Operator |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL |
| 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 |
|---|---|
| CNI-Q4232-366Y PRIMARY | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA) |
| Reference | Meaning |
|---|---|
| CNI-Q4232-366Y | C/1 Advisory reference — outside the item-of-supply concept Timken Gears & Services Inc. Div Philadelphia Gear |
NSN 4820-01-137-0388 is a Quad Ring,valve Operator, manufactured by Flowserve Corp Dba Automax Actuators Div Flowserve Us Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-137-0388 has 1 manufacturer part number on file: CNI-Q4232-366Y (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company).
Key specifications for CNI-Q4232-366Y: General Characteristics Item Description: STEEL; End Item Identification: LIMITORQUE SMB-00 BEVEL GEAR. 1 specification is 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.