CSS10Q0343A0003.doc

The purpose of this amendment is to add additional items to the requirement, to extend the required delivery date and to notify potential contractors that a trade-in credits are not allowed.

FIRST: The following items are hereby added to the requirement:

1 each AMS Machinery Manager network Software

1 each SpeedVue Model 430 - Laser Speed Sensor

1 each 2130 tach input cable, BNC to Turck, 4 ft. long

1 each Four-Channel Accelerometer Input Multiplexer

6 each Reflective tape for phototach units

1 each Triaxial Accelerometer with Integral Magnet

1 each Mounting Pad for use with Triaxial Accelerometer

1 each Cable for use with Triaxial Accelerometer

NOTE: The above items are required for use with the 2130 Vibration Analyzer

SECOND: The government required delivery date is hereby changed as follows:

FROM:

76 MXSG/MDWF

3001 STAFF DR STE 2M70

TINKER AFB OK 73145

405-736-5521

FOB: Destination

F3YCEF

TO:

76 MXSG/MDWF

3001 STAFF DR STE 2M70

TINKER AFB OK 73145

405-736-5521

FOB: Destination

F3YCEF

THIRD: No trade-In credits will be allowed at the time of contract award.

FOURTH: The solicitation closing date is hereby extended as follows:

FROM: 23 Jul 2010 at 10:00 a.m.

TO: 12 Aug 2010 at 10:00 a.m.

All other terms and conditions remain unchanged and in full force and effect.

(End of Summary of Changes)