The Valve,float,water Closet Tank, cataloged under National Stock Number 4510-01-119-2861, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4510-01-119-2861 |
| Primary Part Number | 4664K51 |
| Item Name | Valve,float,water Closet Tank |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Material | COPPER ALLOY BODY |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE |
| 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 |
|---|---|
| 4664K51 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| RCV 400 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4510-01-119-2861 is a Valve,float,water Closet Tank, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
NSN 4510-01-119-2861 has 1 manufacturer part number on file: 4664K51 (Mcmaster-Carr Supply Co).
Key specifications for 4664K51: Special Features: MAX PRESSURE 100 PSI; 1.25 IN. PIPE SIZE; ADJUSTING ARM THREADED FOR 0.250-20 UNC ROD; FEMALE THREADED INLET AND OUTLET IN; Material: COPPER ALLOY BODY; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE. 2 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.