Hammond 1431-12BK3 7 x 5 in Satin Black Steel Chassis Bottom Plate
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Create Free Business AccountKey Features
- Bottom plate sized 7 in x 5 in x 0.04 in (178 x 127 x 1 mm) for the 7 x 5 in 1441 chassis
- Satin black powder paint to match 1441-12BK3 and 1441-12BK3CWW black chassis
- Made of 0.036 in steel
- Punched with 4 holes, 3/16 in diameter; chassis includes 1/8 in holes for installation
- Fastens with 1421J6 or 1421J6BK 6-32 x 1/4 in self-tapping screws (sold separately)
- RoHS and REACH compliant; 0.37 lbs (0.17 kg) shipping weight
The 1431-12BK3 is a satin black steel bottom plate for the 7 in x 5 in size of the 1441 Series steel chassis. It is aimed at builders of classic and vintage-style tube projects and other small electronics who want to close off the underside of an open chassis with a panel that matches a black finish.
The plate measures 7 in x 5 in x 0.04 in (178 mm x 127 mm x 1 mm) and is made of 0.036 in steel finished in satin black powder paint. It is punched with 4 holes of 3/16 in diameter, and the chassis carries 1/8 in holes so the plate can be screwed in place.
In the ordering table this plate is listed for the 1441-12 grey chassis, the 1441-12BK3 satin black chassis and the 1441-12BK3CWW satin black chassis with walnut sides, all 7.00 in (178 mm) wide, 5.00 in (127 mm) deep and 2.00 in (51 mm) high in 20 gauge steel. On the 1441-12 drawing the assembled chassis offers an inner box of 175.97 mm [6.93 in] long by 125.17 mm [4.93 in] wide by 48.97 mm [1.93 in] high.
Screws are not included: order 1421J6 natural finish or 1421J6BK black cover screws, each a package of six 6-32 x 1/4 in self-tapping screws. A grey version of the same plate is available as 1431-12. The 1431-12BK3 is RoHS and REACH compliant, ships in a bag and has a shipping weight of 0.37 lbs (0.17 kg).
Ideal For
- Closing the underside of a 7 x 5 in steel chassis
- Black-finish tube and vintage-style chassis projects
- Satin black chassis with walnut sides (1441-12BK3CWW)
- Small electronics chassis builds
Hardware
| Hardware Included | No, order separately |
| Black Cover Screws | 1421J6BK (Pkg 6, 6-32 x 1/4 in self-tapping) |
| Natural Finish Cover Screws | 1421J6 (Pkg 6, 6-32 x 1/4 in self-tapping; series sheet: pan head, type C) |
Overview
| Type | Bottom Plate |
| Color | Black |
| Series | 1441 Series Steel Chassis (accessory) |
| CAD Models | Solid models of the enclosure available in STEP or IGES |
| Description | STEEL CHASSIS COVER 7 X 5 |
| Part Number | 1431-12BK3 |
| Factory Modification | Enclosures can be factory modified (milling, drilling, printing) |
Dimensions
| Size (L X W X H) | 7 in x 5 in x 0.04 in (178 mm x 127 mm x 1 mm) |
| Chassis Height (Drawing, 1441-12) | 50.80 mm [2.00 in] |
| Assembly Inner Box Width (Drawing, 1441-12) | 125.17 mm [4.93 in] |
| Assembly Inner Box Height (Drawing, 1441-12) | 48.97 mm [1.93 in] |
| Assembly Inner Box Length (Drawing, 1441-12) | 175.97 mm [6.93 in] |
Identifiers
| UPC | 623980964218 |
| UNSPSC | 39121301 |
Compatibility
| Grey Bottom Panel (Same Size) | 1431-12 |
| Fits Chassis 1441-12 / 1441-12BK3 | 7.00 in (178 mm) W x 5.00 in (127 mm) D x 2.00 in (51 mm) H, 20 gauge steel |
| Satin Black Bottom Panel (Same Size) | 1431-12BK3 |
| Walnut-Side Chassis (2.00 In Height) | 1441-12BK3CWW |
Packaging & Shipping
| Packaging Type | Bag |
| Shipping Weight | 0.37 lbs (0.17 kg) |
Construction & Finish
| Finish | Satin black powder paint |
| Material | Steel |
| Mounting Holes | Punched with 4 holes, 3/16 in diameter |
| Bottom Plate Material Thickness | 0.036 in steel (0.91 mm) |
| Chassis Material Thickness (1441-12 Drawing) | 0.036 in steel (0.91 mm) |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
Which chassis does the 1431-12BK3 fit?▾
It is the satin black bottom panel listed for the 1441-12, 1441-12BK3 and 1441-12BK3CWW chassis, which are 7.00 in wide, 5.00 in deep and 2.00 in high.
Are screws included with this bottom plate?▾
No. Hardware is not provided. Order 1421J6 (natural finish) or 1421J6BK (black), each a package of six 6-32 x 1/4 in self-tapping screws.
How thick is the plate?▾
The drawing states the bottom plate is made of 0.036 in steel; the part page lists the size as 7 in x 5 in x 0.04 in (178 mm x 127 mm x 1 mm).
Is there a grey version?▾
Yes. The ASA 61 grey bottom plate for the same chassis is part number 1431-12.
Is the 1431-12BK3 RoHS compliant?▾
Yes, it is listed as both RoHS compliant and REACH compliant.
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