The Tank,water Closet, cataloged under National Stock Number 4510-00-781-5441, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4510-00-781-5441 |
| Item Name | Tank,water Closet |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Status | ACTIVE |
| General Characteristics Item Description | VITREOUS CHINA,CLOSE-COUPLED TANK,FREE STANDING 20-7/8 IN. W,8 IN. DP,13-7/8 IN. H IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| F4049 | 5/9 Secondary reference U.S. Government activity |
| 4083-024 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4510-00-781-5441 is a Tank,water Closet, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2840-01-461-9512. Verify interchangeability with system specifications before substitution.
Key specifications for 4510-00-781-5441: General Characteristics Item Description: VITREOUS CHINA,CLOSE-COUPLED TANK,FREE STANDING 20-7/8 IN. W,8 IN. DP,13-7/8 IN. H IN. 1 specification is 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.