Emco Fluid Systems Inc. of Valencia won...

Emco Fluid Systems Inc. of Valencia won a $469,700 contract from Tinker Air Force Base in Oklahoma to supply valves.

* Llamas Plastics Inc. of Sylmar won a $447,700 contract from the Navy in Philadelphia to supply an aircraft window panel.

* Airborne Product Support Inc. of Camarillo won a $381,119 contract from Hill Air Force Base in Utah to supply aircraft landing-gear-steering components.

* Whittaker Corp. of North Hollywood won a $243,685 contract from the Defense Supply Center in Columbus, Ohio, to supply valves.

* Silco Engineering & Manufacturing Co. in Chatsworth won a $236,993 contract from the Hill Air Force Base in Utah to supply aircraft components and accessories.

* Hydraulics International Inc. of Chatsworth won a $225,258 contract from the Kelly Air Force Base in Texas to supply tank and pump unit.

* ILN Technologies Inc. of Chatsworth won a $194,600 contract from the Defense General Supply Center in Richmond, Va., to supply turbines and components.

* Litton Systems Inc. of Woodland Hills won a $144,457 contract from Tinker Air Force Base in Oklahoma to supply electrical and electronic equipment components, a $134,345 contract from the Navy in Philadelphia to supply a circuit card assembly, and a $88,032 contract from the Defense Supply Center in Columbus, Ohio, to supply a digital microcircuit.

* United Aeronautical Corp. of North Hollywood won a $138,600 contract from the Defense General Supply Center in Richmond, Va., to supply an aircraft adapter assembly.

* Senior Flexonics Inc. of Burbank won a $117,168 contract from the Defense General Supply Center in Richmond, Va., to supply airframe structural components.