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pURCHASE DESCRIPTION MK 4 Mod 0 Vertical Strong back and MK 6 Mod 0 Vertical Strong back for the VLS program
1. INTRODUCTION
The Naval Surface Warfare Center Corona (NSWCCO) Division, Measurement Science and Engineering Department, Interface Engineering and Assessment Division, Code MS24 requires additional Handling Equipment for the Vertical Launching System (VLS) Program.
2. BACKGROUNDNaval Sea Systems Command (NAVSEA) Integrated Weapons System (IWS) Code 3L has a requirement to build MK 4 Vertical Strong backs and MK 6 Vertical Strong backs.
3. REQUIREMENTS
The Offeror shall build five (5) MK4 Vertical Strong backs and five (5) MK6 Vertical Strong backs in accordance to the drawings, Notice of Revisions (NOR) and Specification Chang Notices (SCN) listed in Table 1.
Table 1. MK4 and MK6
| Drawing Number |
| Description |
| Rev |
| 5223030 |
| Identification Plate |
| H |
| 5223624 |
| Locking Pin Parts list |
| - |
| 5224200 |
| Helical Compression Spring |
| E |
| 5497606 |
| Vertical Strong back Assy |
| B |
| 5497606 |
| Vertical Strong back Assy Parts List |
| B |
| 5597853 |
| Beam Weldment Parts List |
| B |
| 7116001 |
| Mk6 Vertical Strong back Assy |
| C |
| 7116001 |
| Parts List Vertical Strong back Assy |
| C |
| 7116002 |
| Vertical Strong back Weldment |
| B |
| 7116005 |
| Compression Spring |
| B |
ADDITIONAL INFORMATION
A. REQUIRED DELIVERY DATES
The Offeror shall deliver five (5) MK 4 Vertical Strong backs and five (5) MK6 Vertical Strong backs on or before 15 December 2020
1 | 4
2 | 4
