The Drain,floor, cataloged under National Stock Number 4510-01-557-4084, 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. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Drain,floor |
| FSC / FSG | 4510 — Plumbing Fixtures and Accessories (FSG 45) |
| Manufacturers | Bestweld Inc (CAGE 1FE46) |
| Parameter | Value |
|---|---|
| NSN | 4510-01-557-4084 |
| Primary Part Number | DD2CN7B |
| Item Name | Drain,floor |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Manufacturer | Bestweld 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 |
|---|---|
| DD2CN7B PRIMARY | Bestweld Inc (USA) |
| Reference | Meaning |
|---|---|
| BWDD/NNS-101 | D/9 Drawing number reference only Bestweld Inc |
| BWWD/NNS-101 RVD SHT8/DD2C MATL | 5/1 Secondary reference Bestweld Inc |
NSN 4510-01-557-4084 is a Drain,floor, manufactured by Bestweld Inc, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
NSN 4510-01-557-4084 has 1 manufacturer part number on file: DD2CN7B (Bestweld Inc).
1 possible match (shared part number, not a government interchangeability claim): 4510-01-658-7020. 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.