The Valve,flush, cataloged under National Stock Number 4510-01-504-2843, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Coyne & Delany Company Dba Delany Products Div Delany Products. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4510-01-504-2843 |
| Primary Part Number | C451 (MOD) TYPE II, CLASS A |
| Item Name | Valve,flush |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Manufacturer | Coyne & Delany Company Dba Delany Products Div Delany Products |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| Usage Design | EXPOSED PIPE |
| Body Style | FLUSH VALUE (EXPOSED TYPE) |
| Criticality Code Justification | FEAT |
| Flush Type | PRESSURE |
| Inlet Location | RIGHT SIDE |
| Operating Mechanism Angle From Inlet in Deg | 180.0 |
| Surface Treatment | CHROMIUM AND NICKEL OUTSIDE |
| Material | COPPER ALLOY BODY |
| Material | PLASTIC FLOW CONTROL DEVICE |
| Material | PLASTIC SEAT |
| Media for Which Designed | WATER, SALT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| C451 (MOD) TYPE II, CLASS A PRIMARY | Coyne & Delany Company Dba Delany Products Div Delany Products (USA) |
NSN 4510-01-504-2843 is a Valve,flush, manufactured by Coyne & Delany Company Dba Delany Products Div Delany Products, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
NSN 4510-01-504-2843 has 1 manufacturer part number on file: C451 (MOD) TYPE II, CLASS A (Coyne & Delany Company Dba Delany Products Div Delany Products).
Key specifications for C451 (MOD) TYPE II, CLASS A: Flow Control Device: DIAPHRAGM; Usage Design: EXPOSED PIPE; Body Style: FLUSH VALUE (EXPOSED TYPE); Criticality Code Justification: FEAT. 12 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.