The Valve,butterfly, cataloged under National Stock Number 4810-01-503-8189, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-503-8189 |
| Primary Part Number | 11-NS-0772 SZ-4 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 4.000 INCHES ALL ENDS IN |
| Material | BRONZE BODY |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11-NS-0772 SZ-4 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| YCL78078 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 34481N REV.B | D/9 Drawing number reference only Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4810-01-503-8189 is a Valve,butterfly, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-503-8189 has 2 manufacturer part numbers on file: 11-NS-0772 SZ-4 (Leslie Controls, Inc. Dba Leslie Controls Inc), YCL78078 (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for 11-NS-0772 SZ-4: Nominal Pipe Size Accommodated: 4.000 INCHES ALL ENDS IN; Special Features: 150LB. CLASS,STYL B,TYPE 111 LBS; End Item Identification: VIRGINIA CLASS SUB; Material: BRONZE BODY. 3 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.
NSN 4810-01-503-8189 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.