The 1431-10 is an 8 in x 4 in steel bottom plate for Hammond's 1441 series steel chassis. It serves two chassis heights: the 1441-9 (1.00 in high) and the 1441-10 (2.00 in high), in both grey and satin black (1441-9BK3 and 1441-10BK3). It is intended for builders of classic, vintage-style and tube equipment, hobbyists and OEM engineers who want to enclose the underside of these chassis.
The plate is made of 0.036" steel with an ASA 61 smooth grey finish. The series specification notes that optional bottom plates are punched with 4 holes of 3/16" diameter, and the chassis now includes 1/8" holes to allow the plate to be installed. Hardware is ordered separately; the drawing lists 1421J6 natural finish or 1421J6BK black cover screws, each a package of 6 x 6-32 x 1/4" self-tapping screws.
Listed size is 8 in x 4 in x 0.04 in (203 mm x 102 mm x 1 mm); the drawing shows 203.20 mm [8.00 in] x 101.60 mm [4.00 in] at 0.91 mm [.036 in] thick. Both mating chassis are 20 gauge, 8.00 in (203 mm) wide and 4.00 in (102 mm) deep. With the 1441-10, the assembled inner box is 201.37 mm [7.93 in] x 99.77 mm [3.93 in] x 48.97 mm [1.93 in]. These chassis also accept the 1451-10 grey or 1451-10BK3 satin black perforated chassis cover.
The 1431-10 ships in a bag at 0.32 lbs (0.15 kg) and is RoHS and REACH compliant.
| Type | Bottom Plate |
| Series | 1441 Series Steel Chassis |
| Part Number | 1431-10 |
| Long Description | Bottom plate for steel chassis. ASA 61 smooth grey. |
| Short Description | STEEL CHASSIS COVER 8 X 4 |
| Plate Thickness | 0.91 mm [.036 in] |
| Size (L X W X H) | 8 in x 4 in x 0.04 in (203 mm x 102 mm x 1 mm) |
| Plate Size (Drawing) | 203.20 mm x 101.60 mm [8.00 in x 4.00 in] |
| UPC | 623980492803 |
| UNSPSC | 39121301 |
| Rubber Feet | Sold separately |
| Gray Chassis | 1441-9, 1441-10 |
| Chassis Depth | 4.00 in (102 mm) |
| Chassis Width | 8.00 in (203 mm) |
| Chassis Steel Gauge | 20 |
| Satin Black Chassis | 1441-9BK3, 1441-10BK3 |
| Cover Screws (Black) | 1421J6BK, Pkg 6, 6-32 x 1/4" self-tapping screws (sold separately) |
| Chassis Bottom Plate Holes | 1/8" holes for optional bottom plate installation |
| Chassis Material (1441-10) | 0.036" steel |
| Cover Screws (Natural Finish) | 1421J6, Pkg 6, 6-32 x 1/4" self-tapping screws (sold separately) |
| Gray Perforated Chassis Cover | 1451-10 |
| Assembly Inner Box Width (1441-10) | 99.77 mm [3.93 in] |
| Assembly Inner Box Height (1441-10) | 48.97 mm [1.93 in] |
| Assembly Inner Box Length (1441-10) | 201.37 mm [7.93 in] |
| Chassis Height (1441-9 / 1441-9BK3) | 1.00 in (25 mm) |
| Satin Black Bottom Plate Equivalent | 1431-10BK3 |
| Satin Black Perforated Chassis Cover | 1451-10BK3 |
| Chassis Height (1441-10 / 1441-10BK3) | 2.00 in (51 mm) |
| Packaging Type | bag |
| Shipping Weight | 0.32 lbs (0.15 kg) |
| Color | Gray |
| Finish | ASA 61 smooth grey |
| Material | Steel |
| Mounting Holes | 4 holes, 3/16" diameter |
| Bottom Plate Material | 0.036" steel |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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The 1441-9 and 1441-10 grey chassis and the 1441-9BK3 and 1441-10BK3 satin black chassis, all 8.00 in wide x 4.00 in deep.
The 1441-9 is 1.00 in (25 mm) high and the 1441-10 is 2.00 in (51 mm) high; both use the 1431-10 bottom plate.
8 in x 4 in x 0.04 in (203 mm x 102 mm x 1 mm), made of 0.036" steel.
No. The drawing lists 1421J6 or 1421J6BK cover screws, packages of 6 x 6-32 x 1/4" self-tapping screws.
The ordering table lists the 1451-10 grey and 1451-10BK3 satin black perforated chassis covers for these chassis.
Yes, RoHS and REACH compliant.
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