4530-01-285-1837
SAFETY SHUT OFF DEVICE
Open · closes in 7d 1 units
1 solicitation (1 open · 0 closed)
Open demand × Plumbing, Heating, and Waste Disposal Equipment
Fuel Burning Equipment Units FSC 4530
Open solicitations in Federal Supply Class 4530 — real requests for quote a supplier can bid on today, linked to the official DIBBS record for each one — plus the ones we've already recorded as they closed. Nothing here gets deleted when it expires: this category's demand history grows every time an RFQ closes.
1
Open solicitations
1
Closing within 7 days
1
Total open quantity
5
Tracked all-time (4 closed)
Open parts
4530-01-256-3525
PLATE,SPRAYER,OIL BURNER ATOMIZE
Closed · last Aug 20, 2026 — units
2 solicitations (0 open · 2 closed)
4530-01-180-2000
NOZZLE AND ELECTRODE ASSEMBLY
Closed · last Aug 17, 2026 — units
1 solicitation (0 open · 1 closed)
4530-01-548-3643
SPARK ARRESTER
Closed · last Aug 6, 2026 — units
1 solicitation (0 open · 1 closed)