Hammond RM440SN100BK Black #4-40 Speed Nuts, 100-Pack
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Create Free Business AccountKey Features
- 100 black #4-40 speed nuts
- For RM series top/bottom plate assembly
- Black steel per the part drawing
- Drawing shows 10.50 mm [0.413 in] largest dimension and Ø4.00 mm [0.157 in] feature
- RoHS and REACH compliant
- Boxed; shipping weight 0.99 lbs (0.45 kg)
The RM440SN100BK is a 100-pack of black #4-40 speed nuts for Hammond RM series top and bottom plate assembly. It is intended for OEM engineers, integrators and technicians who assemble or service RM series enclosures and need the mating nuts that receive #4-40 screws in the plate assembly.
The part drawing specifies black steel and a #4-40 speed nut thread. Dimensions called out on the drawing include 10.50 mm [0.413 in] as the largest dimension, a Ø4.00 mm [0.157 in] feature, and further dimensions of 6.50 mm [0.256 in], 4.68 mm [0.184 in], 3.25 mm [0.128 in], 2.30 mm [0.091 in], 2.29 mm [0.090 in] and 1.80 mm [0.071 in].
The series hardware list places this part in the assembly hardware for the RM series. The nuts are sold 100 per package in a box, with a shipping weight of 0.99 lbs (0.45 kg). The RM440SN100BK is RoHS compliant and REACH compliant.
Black #4-40 x 3/8" screws for the RM series are listed separately in the same hardware list. In most cases, enclosures include all hardware needed for assembly, so this pack is for replacements and spares. Hardware packs may not be compatible with all parts in the listed series; check the enclosure's replacement parts and accessories list to confirm fit.
Ideal For
- Assembling RM series top and bottom plates
- Replacing lost RM speed nuts
- Spare black hardware for RM enclosure service
Overview
| Thread | #4-40 Speed Nut |
| Part Number | RM440SN100BK |
| Product Type | Screws |
| Hardware Type | Assembly Screws |
| Long Description | hardware - 4-40 speed nuts for RM top/bottom plate assembly - 100 pack |
| Quantity Per Pack | 100 |
| Short Description | RM 4-40 SPEED NUT, 100 PACK |
| Hardware Description | #4-40 speed nuts, black |
Dimensions
| Diameter Call-out (Ø) | 4.00 mm [0.157 in] |
| Other Drawing Dimensions | 6.50 mm [0.256 in], 4.68 mm [0.184 in], 3.25 mm [0.128 in], 2.30 mm [0.091 in], 2.29 mm [0.090 in], 1.80 mm [0.071 in] |
| Largest Drawing Dimension | 10.50 mm [0.413 in] |
Identifiers
| UPC | 623980538594 |
| UNSPSC | 39121301 |
Compatibility
| Intended Use | RM top/bottom plate assembly |
| Applicable Enclosure Series | RM |
Packaging & Shipping
| Packaging Type | box |
| Shipping Weight | 0.99 lbs (0.45 kg) |
Construction & Finish
| Color | Black |
| Material | Steel |
| Material (Drawing) | Steel (Black) |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What is RM440SN100BK?▾
A 100-pack of black #4-40 speed nuts for RM top/bottom plate assembly.
What material are the speed nuts?▾
Steel, black, per the part drawing.
Which screws go with these nuts?▾
The hardware list includes black #4-40 x 3/8" screws for the RM series as a separate pack.
How are they packaged?▾
100 per package, in a box, with a shipping weight of 0.99 lbs (0.45 kg).
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