The Tank,water Closet, cataloged under National Stock Number 4510-01-050-4055, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Gerber Plumbing Fixtures Llc. Government technical data includes 1 specification, 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4510-01-050-4055 |
| Primary Part Number | 28-290 |
| Item Name | Tank,water Closet |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Manufacturer | Gerber Plumbing Fixtures Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS WHITE VITREOUS CHINA |
| 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 |
|---|---|
| 28-290 PRIMARY | Gerber Plumbing Fixtures Llc (USA) |
NSN 4510-01-050-4055 is a Tank,water Closet, manufactured by Gerber Plumbing Fixtures Llc, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
NSN 4510-01-050-4055 has 1 manufacturer part number on file: 28-290 (Gerber Plumbing Fixtures Llc).
2 possible matches (shared part number, not a government interchangeability claim): 1680-01-135-5624, 5310-01-697-7334. Verify interchangeability with system specifications before substitution.
Key specifications for 28-290: General Characteristics Item Description: STAINLESS WHITE VITREOUS CHINA; End Item Identification: SIPHON JET UNIT CLOSET COMBINATION WITH 12 INCH ROUGH-IN 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.