Follow the steps to fill out the GSA SF 1428 with ease.

1. Press the 'Get Form' button to obtain the form and open it in an online editor.
2. Begin by completing section 1, where you will specify the type of disposal and check the applicable blocks.
3. In section 2, enter the schedule reference number associated with your inventory disposal.
4. Fill in section 3 by providing your prime contract number; include any modification numbers if applicable.
5. Complete section 4 with the subcontractor or purchase order number, if relevant.
6. In section 5, indicate the type of contract using the designated codes: Fixed-Price, Cost-Reimbursement, etc.
7. Enter the term docket number in section 6, which may be self-explanatory based on your records.
8. Provide the total acquisition cost of the inventory in section 8.
9. In section 9 and 10, input the CAGE codes and contact information for both the prime contractor and subcontractor.
10. Describe the item in section 14, including relevant details such as national stock number (NSN) and other specifications.
11. Indicate whether the item is government-furnished or contractor-acquired in section 15.
12. In section 16, enter the demilitarization code if applicable.
13. Complete section 17 by classifying the property under the appropriate categories, such as equipment or material.
14. Assign a condition code to each item in section 19 based on its state of usability.
15. Fill in sections 20 to 22 with the quantity, unit of measure, and cost units.
16. Complete the contractor's offer in section 23, indicating your purchase offer if applicable.
17. After completing all sections, review your entries for accuracy and completeness.
18. Finally, save your changes, and choose to download, print, or share the form as needed.

Start filling out your GSA SF 1428 online today for efficient inventory disposal management.