The Strainer,waste Drain, cataloged under National Stock Number 4510-01-723-6137, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is W & O Supply Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Strainer,waste Drain |
| FSC / FSG | 4510 — Plumbing Fixtures and Accessories (FSG 45) |
| Manufacturers | W & O Supply Inc (CAGE 1QP40) |
| Parameter | Value |
|---|---|
| NSN | 4510-01-723-6137 |
| Primary Part Number | DDSPA400 |
| Item Name | Strainer,waste Drain |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Manufacturer | W & O Supply Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| DDSPA400 | W & O Supply Inc (USA) |
| Reference | Meaning |
|---|---|
| DF420121 | D/9 Drawing number reference only W & O Supply Inc |
| NNDF420121#98-1 PC NO.3 | 3/9 Design control — primary reference W & O Supply Inc |
NSN 4510-01-723-6137 is a Strainer,waste Drain, manufactured by W & O Supply Inc, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
NSN 4510-01-723-6137 has 1 manufacturer part number on file: DDSPA400 (W & O Supply Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-723-6146. Verify interchangeability with system specifications before substitution.
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.