GOVERNMENT CONTRACT AWARDS

Litton Systems Inc. of Woodland Hills won a $390,600 contract from the Defense General Supply Center in Richmond, Va., for instruments and laboratory equipment.

* Westfield Hydraulics Inc. of Pacoima won a $99,601 contract from the Defense Supply Center in Columbus, Ohio, for valves.

* Talley Corp. of Oxnard won a $90,456 contract from the Defense General Supply Center in Richmond, Va., for motor assemblies.

* Senior Flexonics Inc. of Burbank won a $90,345 contract from the Defense General Supply Center in Richmond, Va., for air duct assemblies.

* Whittaker Corp. of North Hollywood won a $74,128 contract from the Defense Supply Center in Columbus, Ohio, for valves.

* Ontic Engineering and Manufacturing Inc. of North Hollywood won a $72,240 contract from the Defense Supply Center in Columbus, Ohio, for gear-drives.

* Llamas Plastics Inc. of Sylmar won a $71,625 contract from the Defense General Supply Center in Richmond, Va., for windshield panels.

* Allied Logistics Inc. of Ventura won a $70,365 contract from the Defense General Supply Center in Richmond, Va., for engine accessories.

* Electrofilm Manufacturing Co. in Valencia won a $68,666 contract from the Defense General Supply Center in Richmond, Va., for aircraft components and accessories.

* Sierra Tech of Oxnard won a $68,200 contract from Tinker Air Force Base in Oklahoma for engines, turbines, and components.

* PTI Technologies Inc., a subsidiary of ESCO Electronics Corp., in Newbury Park won a $50,859 contract from the Defense Supply Center in Columbus, Ohio, for fluid filter elements.

* Hydromach Inc. of Canoga Park won a $42,931 contract from the Kelly Air Force Base in Texas for engines, turbines and components.

* Cliffdale Manufacturing Co. in Chatsworth won a $40,050 contract from the Defense Industrial Supply Center in Philadelphia for hardware and abrasives.

* PTI Technologies Inc. of Newbury Park won a $39,897 contract from Tinker Air Force Base in Oklahoma for aircraft components and accessories.

* Allied Logistics Inc. of Ventura won a $37,928 contract from the Defense Supply Center in Columbus, Ohio, for engine fuel tanks.

* PTI Technologies Inc. of Newbury Park won a $37,375 contract from the Kelly Air Force Base in Texas for filter elements.

* Crane Co. in Burbank won a $36,654 contract from the Defense Supply Center in Columbus, Ohio, for valves.

* Avibank Manufacturing Inc. of Burbank won a $35,879 contract from the Defense Supply Center in Columbus, Ohio, for cable assembly and cartridge retainer assembly for weapons.

* Hydromach Inc. of Canoga Park won a $32,038 contract from Hill Air Force Base in Utah for aircraft components and accessories.

* International Precision Inc. of Chatsworth won a $31,957 contract from Hill Air Force Base in Utah for aircraft components and accessories.

* Crane Co. in Burbank won a $31,032 contract from the Defense Supply Center in Columbus, Ohio, for fluid filters.

* Pacific Aerospace Manufacturing in Newbury Park won a $30,686 contract from the Defense General Supply Center in Richmond, Va., for mortar dual cartridge disconnect assemblies.

* Silco Engineering and Manufacturing Co. in Chatsworth won a $30,100 contract from the Defense Industrial Supply Center in Philadelphia for bearings.

* International Precision Inc. of Chatsworth won a $29,784 contract from Hill Air Force Base in Utah for aircraft components and accessories.

* Whittaker Corp. of North Hollywood won a $29,340 contract from the Defense General Supply Center in Richmond, Va., for engine accessories.

* Litton Systems Inc. of Woodland Hills won a $26,346 contract from the Defense General Supply Center in Richmond, Va., for indicator lights.