Draft Purchase Description.docx

pURCHASE DESCRIPTION

CELL HATCH BLANKS & BRACKETS

1. INTRODUCTION

The Naval Surface Warfare Center (NSWC), Corona Division, Precision Machining and Tooling Department, Code MS24 requires Cell Hatch Blanks and Cell Hatch Brackets for the Vertical Launch System (VLS).

2. BACKGROUND

Naval Sea System Command (NAVSEA) Integrated Warfare Systems (IWS) Code 3L has a requirement for replacement parts for the Vertical Launch System involving fabrication and machining of components that are then assembled and require processing per drawings for chemical (chem) film, heat treat, dry lube, and paint.

The Cell Hatch Blanks are fabricated from aluminum plates, welded chem film treated, and painted. The Cell Hatch Brackets are corrosion resistant steel machined components with an internal spline and various holes and heat treated painted, and dry lube coated.

3. REQUIREMENTS

The Cell Hatch is an aluminum weldment composed of aluminum plate/bars, and shall be machined to size, per the drawing.

Special instructions:

- The Cell Hatch Blank will follow the drawing specifications, but will exclude the following items:

- P/N 5223628-1 Seal

- P/N 6539789-1 Seal

- P/N A-105 Primer

- P/N A-100 Primer

- P/N 6661708-1 Sealant

· The Cell Hatch Blank is treated per Mil-C-5541 (chem film) and painted per WS19201

0002 Cell Hatch Bracket 1 EA 5599884-10

0003 Cell Hatch Bracket 1 EA 5599884-11

Specifications:

- Cell Hatch Brackets are machined from 17-4PH steel

- 7.274 length, 4.12 height and 4.18 thick inches

- 1.9375 inch pitch diameter 31 Tooth internal spline

- Heat treated, painted, and dry lube coated per Mil-PRF-46010

0004 Crate, Wood 1 EA N/A

- Includes 3 Cell Hatch Blanks

- Heat treated, all lumber

- Skid: Plywood construction with 4 x 4 lumber base

- Approximately two-inch internal clearance on all sides

- Cover screwed on for loading/unloading items

• FOB Destination. Shipping charges to be included in price

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