The Drain,floor, cataloged under National Stock Number 4510-01-658-7020, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Bestweld Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4510-01-658-7020 |
| Primary Part Number | DD3CN9D2T |
| Item Name | Drain,floor |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Manufacturer | Bestweld Inc |
| Status | ACTIVE |
| Outlet Location | BOTTOM |
| Open Strainer | INCLUDED |
| Outlet Pipe Size Accommodated | 3.000 INCHES IN |
| Material | COPPER ALLOY 706 BODY |
| Material | COPPER ALLOY AND NICKEL ALLOY LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| DD3CN9D2T PRIMARY | Bestweld Inc (USA) |
| Reference | Meaning |
|---|---|
| BWDD/NNS#101 | D/9 Drawing number reference only Bestweld Inc |
NSN 4510-01-658-7020 is a Drain,floor, manufactured by Bestweld Inc, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
NSN 4510-01-658-7020 has 1 manufacturer part number on file: DD3CN9D2T (Bestweld Inc).
Key specifications for DD3CN9D2T: Outlet Location: BOTTOM; Open Strainer: INCLUDED; Special Features: 2" TRAP; Outlet Pipe Size Accommodated: 3.000 INCHES IN. 5 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.