The Cup,rubber,flush Valve, cataloged under National Stock Number 4510-01-300-8557, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Evac North America 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4510-01-300-8557 |
| Primary Part Number | 5435507 |
| Item Name | Cup,rubber,flush Valve |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Manufacturer | Evac North America 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 |
|---|---|
| 5435507 PRIMARY | Evac North America Inc (USA) |
| Reference | Meaning |
|---|---|
| 5500026 | 5/9 Secondary reference Envirovac Inc Dba Monogram Systems-Rockford Div |
| 5435507 | 5/9 Secondary reference Envirovac Inc Dba Monogram Systems-Rockford Div |
NSN 4510-01-300-8557 is a Cup,rubber,flush Valve, manufactured by Evac North America Inc, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
NSN 4510-01-300-8557 has 1 manufacturer part number on file: 5435507 (Evac North America Inc).
Key specifications for 5435507: End Item Identification: ENVIROVAC P/N 5700034 WATER CLOSET. 0 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.