The Parts Kit,flush Valve, cataloged under National Stock Number 4510-01-540-7854, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Envirovac Inc Dba Monogram Systems-Rockford Div. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4510-01-540-7854 |
| Primary Part Number | 6542578 ITEM 5 |
| Item Name | Parts Kit,flush Valve |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Manufacturer | Envirovac Inc Dba Monogram Systems-Rockford Div |
| Status | ACTIVE |
| Component Quantity | 11 |
| Document Type | ENGINEERING PARTS LIST |
| Component Document Page Number | 1 OF 1 |
| Document Identification | DRAWING NO. 6541001: BACKPLATE, EVAC 900, ASSEMBLY WALL MODEL, USPH |
| Supply Items and Quantities | HOSE, 3/8 IN. LENGTH=310, REINFORCING FABRIC (4720-01-540-4600) 1; NUT, 1/4 IN. (5310-01-521-8407) 2 IN |
| Component Document Origin | INDUSTRIAL |
| Nonsupply Items and Quantities | HOSE CLAMP, 15 - 17.8, 2; BACKPLATE, BASIC, 1; HOSE NIPPLE, 1/2 IN NPT - 1/4 IN 10MM, 2; SIGN 60 X 30, 1; SIGN :FROM VACUUM BREAKER", 1; SIGN "TO VACUUM BREAKER", 1 MM |
| Document Source | 58568 |
| 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 |
|---|---|
| 6542578 ITEM 5 | Envirovac Inc Dba Monogram Systems-Rockford Div (USA) |
| 6541001 | Evac North America Inc (USA) |
| 6541001 REV D08 | Envirovac Inc Dba Monogram Systems-Rockford Div (USA) |
| Reference | Meaning |
|---|---|
| 6541001 | 3/9 Design control — primary reference Envirovac Inc Dba Monogram Systems-Rockford Div |
NSN 4510-01-540-7854 is a Parts Kit,flush Valve, manufactured by Envirovac Inc Dba Monogram Systems-Rockford Div, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
NSN 4510-01-540-7854 has 3 manufacturer part numbers on file: 6542578 ITEM 5 (Envirovac Inc Dba Monogram Systems-Rockford Div), 6541001 (Evac North America Inc), 6541001 REV D08 (Envirovac Inc Dba Monogram Systems-Rockford Div).
Key specifications for 6542578 ITEM 5: Component Quantity: 11; Document Type: ENGINEERING PARTS LIST; Component Document Page Number: 1 OF 1; Document Identification: DRAWING NO. 6541001: BACKPLATE, EVAC 900, ASSEMBLY WALL MODEL, USPH. 8 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.