The Drain,floor, cataloged under National Stock Number 4510-01-539-6281, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4510-01-539-6281 |
| Primary Part Number | 803-1385789TYDSZ2INAL706 |
| Item Name | Drain,floor |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Clamping Ring | NOT PROVIDED |
| Backwater Valve | NOT PROVIDED |
| Double Drainage Feature | NOT PROVIDED |
| Shape | ROUND |
| Integral Trap Type | BELL |
| Clean-Out Feature | NOT INCLUDED |
| Outlet Location | BOTTOM |
| Open Strainer | INCLUDED |
| Unit Type | FLUSH |
| Removable Bucket | NOT PROVIDED |
| Outlet Connection Joint Type | SWEATED |
| Outlet Pipe Size Accommodated | 2.000 INCHES IN |
| Material | COPPER ALLOY 706 LOCATION NOT OTHERWISE SPECIFIED |
| Material | COPPER ALLOY 706 BODY |
| Open Strainer Dimension | 5-11/64 INCH DIAMETER IN |
| 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 |
|---|---|
| 510304.400 | W & O Supply Inc (USA) |
| 803-1385789TYDSZ2INAL706 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 803-1385789TYPEDSIZE2IN-CU-NI | 5/9 Secondary reference U.S. Government activity |
| TYPE D-2" | 5/9 Secondary reference W & O Supply Inc |
| 803-1385789 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4510-01-539-6281 is a Drain,floor, manufactured by Naval Sea Systems Command, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
NSN 4510-01-539-6281 has 2 manufacturer part numbers on file: 510304.400 (W & O Supply Inc), 803-1385789TYDSZ2INAL706 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 4510-01-609-3725. Verify interchangeability with system specifications before substitution.
Key specifications for 803-1385789TYDSZ2INAL706: Clamping Ring: NOT PROVIDED; Backwater Valve: NOT PROVIDED; Double Drainage Feature: NOT PROVIDED; Shape: ROUND. 15 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.