US Army Armament And Chemical Acquisition And Logistics Activity (ACALA) Attn: AMSTA-AC-PCC Rock Island, IL 61299-7630

10 -- COMPONENTS OF THE ELEVATION SCREW ASSEMBLY FOR THE 155MM M198 TOWED HOWITZER ARTILLERY SYSTEM DUE 071498 POC Contract Specialist/Barbara J. Abbas (309) 782-7158, Contracting Officer/Barry R. Hartleben, (309) 782-7116 MARKET SURVEY: Availability of existing commercial or nondevelopmental items for the support of the 155mm M198 Towed Howitzer Artillery System as indicated below. PLUG is a component of the elevating screw assembly on the 155mm, M198 Towed Howitzer Artillery System. It is used to hold a spring ring set and spacer plate inside of this assembly. It contains no other components in its manufactured condition. It has a diameter dimension of 2.37 inches. It is machined from steel material, class P6 or Q6 per ASTM A400 and is coated with a phosphate finish and dry film lubricant. It is heat-treated to a hardness of Rockwell C34-38. SHOULDERED SHAFT is a component of the elevating screw assembly on the 155mm, M198 Towed Howitzer Artillery System. It contains no other components in its manufactured state. It is a cylinder shaped part with an outside diameter dimension of 1.90 inches and has a length dimension of 8.25 inches. It is manufactured from steel bar stock or seamless steel tubing material, grade 4135 through 4150 per ASTM A519. It has an external and internal machined involute spline. The shaft is heat treated to a hardness of Rockwell C33-38 and is coated with a cadmium finish per MIL-STD-171. HOUSING is a component of the elevating screw assembly on the 155mm, M198 Towed Howitzer Artillery System. It holds the shouldered shaft, bevels gears, bearings, seals and retainers. It contains no other components in its machine finished state. It has a width dimension of 8.500 inches and is about 11.00 inches long. It is manufactured from an aluminum alloy casting material per specification QQ-A-601. It is anodized, primed and top coated with paint in accordance with MIL-STD-171. ACTUATING CYLINDER is a component of the elevating screw assembly on the 155mm M198 Towed Howitzer Artillery System. The cylinder houses the major internal components of this assembly. The cylinder contains no other components in its machine finished state. The actuating cylinder has an outside diameter dimension of 4.38 inches and a length dimension of 56.14 inches. The cylinder is machined from steel material, grade 4340 or 8640, per ASTM A322 or A331 or seamless steel alloy tubing, grade 4340 or 8640 per ASTM A519. The cylinder is finished with a black oxide coating and the outside is painted per MIL-STD-171. THREADED MACHINE BUSHING is a component of the elevating screw assy on the 155mm M198 Towed Howitzer Artillery System. The bushing is threaded into the end of the actuating cylinder of the assy. The bushing has a diameter dimension of 4.25 inches and its length is 2.14 inches. The threaded machine bushing is manufactured from steel material, class Q1 or P2, per ASTM A400 or seamless steel alloy tubing, grade 4135 through 4150 per ASTM A519. The part is phosphate finished per MIL-STD-171 and coated with a dry lubricant finish in accordance with MIL-L-46010. The part is heat-treated to a hardness of Rockwell C34-38. ACTUATING CYLINDER is a component of the elevating screw assembly on the 155mm, M198 Towed Howitzer Artillery System. The cylinder houses the ball screw inside of another actuating cylinder in the assy. The cylinder contains no other parts in its machine finished state. The cylinder has an outside diameter of 3.250 inches and a length dimension of 54.22 inches. The actuating cylinder is manufactured from an aluminum material, allot 6061, temper T6, per specification QQ-0A-225/8. It is treated with an anodized finish per MIL-STD-171 and coated with a dry lubricant finish in accordance with MIL-L-46010. TUBE is a component of the elevating screw assy on the 155mm M198 Towed Howitzer Artillery System. This cylinder houses an actuating cylinder, ball screw and related parts of the assy. This cylinder has an outside diameter of 4.12 inches and has a length dimension of 50.19 inches. The tube is manufactured from various aluminum alloy materials and is surface finished with an anodized treatment and coated with a solid film lubricant per MIL-STD-171. Any offeror having an item which meets the above characteristics for any of the itemsidentified above, should submit the following information to the points of contact listed in this advertisement. Provide the item description and performance specification which addresses all the required capabilities, and any other salient characteristics; estimated unit cost, production rates, delivery schedules, quantity produced to date, customers, and supporting commercial literature. Provide data to identify any special training requirements for maintenance and operation. Describe what training materials or commercial manuals are provided to users. Describe your warranty program. Any contractors interested in participating in this market research must provide response to this date call by NO LATER THAN 8 July 1998. Technical questions should be directed to Mr. Dennis Pikuza, AMSTA-AR-ESM-L, (309) 782-4864. All other questions are to be directed to Barbara Abbas, AMSTA-AC-PCW-A, (309) 782-7158. (0174)

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