Nut, self-locking, sing

DLA Aviation seeks quotes for 1,250 each of self-locking, single ball seat hexagon nuts (NSN 5310-01-621-4141) under request for quotation SPE4A627T9826, with quotes due November 13, 2026 through DIBBS. The Set Aside line reads No Set-Aside Used, so the requirement is open to all sources. The solicitation uses Fast Auto Evaluation procedures and is issued by DLA office SPE4A6 under PSC 5310, Nuts And Washers.

Delivery is required within 171 days, FOB Origin with inspection and acceptance at destination. The attachment summary identifies delivery to DLA Distribution Depot Hill at Hill Air Force Base, Utah, and states that the contract is fixed-price with no quantity variance permitted (0% plus or minus).

The attachment summary describes the item as a Critical Application Item requiring compliance with MIL-STD-1916 or ASQ H1331 sampling, MIL-STD-2073-1E packaging, and MIL-STD-129 marking. It also cites DFARS Buy American compliance, the Berry Amendment ($150,000 threshold), and a prohibition on mercury or mercury-containing compounds except for functional use in batteries or specified instruments under NAVSEA 5100-003D.

Prior awards for this NSN ranged from $0.08 to $0.37 per unit across six vendors identified by codes 5U7R1, 5YPU3, 1SS93, 329E3, 5UY76, and 5G0M5. Buyer contact is Alexander Sotos (DAS0290), alexander.sotos@dla.mil, 804-279-2873.