Open demand × Hardware and Abrasives
O-Rings FSC 5331
Open solicitations in Federal Supply Class 5331 — 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.
183
Open solicitations
181
Closing within 7 days
122,402
Total open quantity
560
Tracked all-time (377 closed)
Open parts
5331-01-703-3419
O-RING ASSORTMENT
Closed · last Aug 31, 2026 — units
1 solicitation (0 open · 1 closed)
5331-01-732-7722
O-RING ASSORTMENT
Closed · last Aug 28, 2026 — units
1 solicitation (0 open · 1 closed)
5331-01-733-0796
O-RING ASSORTMENT
Closed · last Aug 28, 2026 — units
1 solicitation (0 open · 1 closed)
5331-01-733-0782
O-RING ASSORTMENT
Closed · last Aug 28, 2026 — units
1 solicitation (0 open · 1 closed)
5331-01-690-5493
O-RING ASSORTMENT
Closed · last Aug 17, 2026 — units
1 solicitation (0 open · 1 closed)