5038ZN02 Attachment (1) PC 2.docx
DOCX document 23 KB Posted
- Attached to
- Shielding Federal contract opportunity
- Solicitation number
- N4215825QE031
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This fabrication details document (5038ZN02 Attachment 1) specifies requirements for tungsten impregnated polymer shielding for the Department of the Navy Naval Sea Systems Command. The order is for 3 units of shielding that must be composed of a homogenous matrix of tungsten powder and silicone rubber, containing approximately 90% tungsten by weight. The shielding must meet specific density requirements of 7 g/cc minimum and a tenth value thickness equal to or better than 2.09 inches.
The specifications require testing for detrimental materials including bromides, chlorides, fluorides, and sulfur (250 PPM leachable limit each) and mercury (10 PPM limit). The shielding must be non-yellow in color, free from defects, and appropriately palletized with maximum pallet weight of 3000 pounds. Vendors must provide certified test reports verifying compliance with material requirements, signed by Quality Assurance representatives and traceable to the purchase contract. Previously conducted tests within the last four years are acceptable if accompanied by manufacturer statements confirming no changes in formulation or manufacturing processes.
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| FAR 52.212-2 Attachment (A).pdf | ||
| 5038ZN04 Attachment (3).docx | DOCX document | |
| 5038ZN02 Attachment (3).docx | DOCX document | |
| Solicitation N4215825QE031.pdf | ||
| 5038ZN04 Attachment (1) PC 4.docx | DOCX document | |
| 5038ZN01 Attachment (3).docx | DOCX document | |
| 5038ZN01 Attachment (1) PC 1.docx | DOCX document | |
| 5038ZN05 Attachment (3).docx | DOCX document | |
| 5038ZN03 Attachment (3).docx | DOCX document | |
| Drawings.pdf | ||
| 5038ZN05 Attachment (1) PC 5.docx | DOCX document | |
| 5038ZN03 Attachment (1) PC 3.docx | DOCX document |
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Text version
ATTACHMENT (1) FABRICATION DETAILS DOCUMENT NUMBER 5038ZN02
DESCRIPTION: SHIELDING, TUNGSTEN IMPREGNATED POLYMER, PC 2 OF DWG 2370.2-3655.
ORDERING DATA:
A. Fabricated using materials and instructions listed below.
B. Materials: see Tables 1 and 2.
C. Color and Marking Requirements: Shielding product must be non-yellow color. Labeling is not required.
D. QUANTITY: 3 EACH
TABLE 1 MATERIAL DESCRIPTION
| ITEM No. |
| DESCRIPTION |
| SPEC |
Tungsten shielding: homogenous matrix of tungsten powder and silicone rubber.
Approximately 90 percent tungsten by weight.
See Table 2
TABLE 2
TUNGSTEN SHIELDING ATTRIBUTES
| ATTRIBUTE |
| VALUE |
| (1) | THICKNESS |
| PER PC 2 OF DWG 2370.2-3655 |
| (2) | DENSITY |
| 7 G/CC MINIMUM |
| (3) | TVL – TENTH VALUE THICKNESS |
| EQUAL TO 2.09” OR BETTER |
E. Testing for detrimental materials is required. Quantitative test reports shall be provided as evidence that all materials used have been tested in accordance with Appendix A, Section A.6 of MIL-STD-2041 Rev E, Notice 1 Control of Detrimental Materials, and that the materials do not exceed the following limits:
BROMIDES 250 PPM (LEACHABLE)* CHLORIDES 250 PPM (LEACHABLE)* FLUORIDES 250 PPM (LEACHABLE)* SULFUR 250 PPM (LEACHABLE)* MERCURY SHALL NOT EXCEED 10 PPM
*At the option of the vendor, total levels of each halogen and sulfur may be determined in lieu of water-leachable levels per MIL-STD-2041 Rev E, Notice 1.
If the materials have been satisfactorily tested within the last four years, a copy of those test reports and a statement by the manufacturer that there has been no changes in the formulation or manufacturing process shall be submitted and is acceptable in lieu of performing additional detrimental material analyses.
F. Shielding shall be clean, well finished and free from foreign matter, cracks, holes, or other defects that may affect appearance or serviceability.
G. Shielding shall be appropriately palletized and packaged to provide adequate protection for shipping and storing. Each shipping pallet shall have a maximum loaded weight of not more than 3000 pounds. The loaded pallet shall comply with all D.O.T. Safety regulations. Partial shipments are acceptable.
H. Vendor shall provide Certified Test Reports that provide quantitative data to verify that the materials provided meet the requirements of Table (2), Attributes (1) through (3). Test Reports shall be signed and dated by the vendor’s Quality Assurance rep. and shall be traceable to the purchase contract under which the material is provided.
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