The Breaker,vacuum,flush Valve, cataloged under National Stock Number 4510-01-657-6430, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Dema Engineering Co. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4510-01-657-6430 |
| Primary Part Number | 58-116 |
| Item Name | Breaker,vacuum,flush Valve |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Manufacturer | Dema Engineering Co |
| Status | ACTIVE |
| Outlet Connection Size | 0.25 |
| Material | COPPER ALLOY |
| Inlet Connection Size | 0.25 |
| 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 |
|---|---|
| 58-116 PRIMARY | Dema Engineering Co (USA) |
| 5800V-RB ITEM 15 BRASS | Dema Engineering Co (USA) |
NSN 4510-01-657-6430 is a Breaker,vacuum,flush Valve, manufactured by Dema Engineering Co, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
NSN 4510-01-657-6430 has 2 manufacturer part numbers on file: 58-116 (Dema Engineering Co), 5800V-RB ITEM 15 BRASS (Dema Engineering Co).
Key specifications for 58-116: Outlet Connection Size: 0.25; Special Features: COIL 24VAC, 50/60 HZ, 10W VAC; Part Name Assigned by Controlling Agency: VACUUM BREAKER W/COMPRESSION FITTINGS (BRASS); Material: COPPER ALLOY. 3 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.