# The Defender Security Solid Brass Lock and Door Reinforcer is constructed from solid brass to help protect your door from forced entry. It can be used on wood and metal doors with mortise and drive-in latches. It also accommodates key-in knob lock sets and deadbolts.

**Manufacturer:** Prime-Line  
**MPN:** `U 9573`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Prime-Line |
| Manufacturer name | Prime-Line |
| Manufacturer | Prime-Line, Prime-Line Products, Prime-Line Products/Slide-Co |
| UPC | 49793095732 |
| EAN | 49793095732 |
| Part Number | U 9573 |
| Model | U 9573 |
| Product Group | Home Improvement |
| ASIN | B000ZNJJKE, B002YGL1P6 |
| AdultProduct | False |
| Amount | 22.49 |
| Asin | B000ZNJJKE, B002YGL1P6, B0141S3EBI |
| Autographed | False |
| Batteries_included | False |
| Batteries_required | False |
| Binding | Tools & Home Improvement |
| Brand | PRIME-LINE, Prime-Line Products |
| Bullet_point | 2-1/8" bore not recessed, 2-3/8" backset, 3-7/8"W, ADDED SECURITY – Prevent forced entry by reinforcing the weak spot of your door with the non-recessed door lock reinforcer; use to reinforce and repa |
| Case | 1, 5 |
| Cat | Tools & Home Improvement |
| CatId | 228013 |
| CatTree | 228013, 468240, 511228, 511276, 511332 |
| ClassificationId | 468240, 511316 |
| Color | Antique Brass |
| Controller_type | Mechanical knob |
| Currency | USD |
| CurrencyCode | USD |
| Customer_package_type | Standard Packaging |
| Department | Exterior Door Trim |
| DisplayName | Categories, Lock Replacement Parts |
| EANList | 49793095732 |
| Feature | Solid brass construction; antique brass finish |
| Finish_type | Antique Brass |
| Generic_keyword | channel,reinforces,repairs,doors,assists, drive,latches,accommodates,locksets,deadbolts, includes,combo,screws,phillips,truss,screws, preventing,forced,entry,thick,metal,doors,mortise, recessed,backse |
| Height | 1000, 13.4874, 2.1699999977866, 2000, 384, 4.5, 500, 6.3, 6.30, 75 |
| Identifier | 00049793095732, 0049793095732, 049793095732 |
| IdentifierType | EAN, GTIN, UPC |
| Included_components | Lock and Door Reinforcer |
| IsAutographed | false |
| IsMemorabilia | false |
| ItemClassification | BASE_PRODUCT |
| ItemName | Defender Security U 9573 1-3/4 In. x 4-1/2 In. Thick Solid Brass Lock and Door Reinforcer (Single Pack), Prime-Line Lock And Door Reinforcer Entry 2-1/8"Bore Antique Brass Solid Brass |
| Item_name | Defender Security U 9573 1-3/4 In. x 4-1/2 In. Thick Solid Brass Lock and Door Reinforcer (Single Pack), Prime-Line Lock And Door Reinforcer Entry 2-1/8"Bore Antique Brass Solid Brass |
| Item_package_quantity | 1, 3 |
| Item_package_weight | 0.2, 1.5 |
| Item_type_keyword | door-lock-replacement-parts |
| Item_type_name | Lock and Door Reinforcer |
| Item_weight | 0.01, 1.5 |
| Keyword | 9573 \|, KEYED |
| Label | Prime-Line Products, Prime-Line Products/Slide-Co |
| Length | 3.875, 5.3099999945838, 5.5118, 6.9, 6.90 |
| Link | https://m.media-amazon.com/images/I/41EFHylG4OL._SL75_.jpg, https://m.media-amazon.com/images/I/41EFHylG4OL.jpg, https://m.media-amazon.com/images/I/41VAr6irApL._SL75_.jpg, https://m.media-amazon.com/ |
| List_price | 22.49 |
| Lock_type | Deadbolt |
| MPN | U 9573 |
| Man | Prime-Line Products, Prime-Line Products/Slide-Co |
| Material | Brass |
| MaterialType | Brass |
| Memorabilia | False |
| ModelNumber | U 9573 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Home Depot | 100145907 | 13.79 | 1 | None | 1 |

---
Structured data: `/python/html6/product/500/59000000/59199000/part_--U9573---PrimeLine--c3f4a4312d.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp