
Hammond RMSC1904BK1 4U Lockable Hinged Security Cover With Acrylic Window
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Create Free Business AccountKey Features
- 4U hinged security cover: 6.97 in (177 mm) overall height, 7.00 in (178 mm) mounting height, 19.00 in (483 mm) wide
- 16-gauge mild steel construction for durable protection of rack-mounted equipment
- Integrated key-lock (7.5 mm nut) prevents unauthorized access to front-panel equipment
- 6 mm smoked plexi/acrylic window keeps status indicators visible without opening the panel
- Hinged design installs without removing existing rack equipment, simplifying upgrades and retrofits
- Fits standard 19-inch EIA-compliant rack rails; shallow 1.61 in (41 mm) depth
- Black textured powder coat finish (GREENGUARD, TSCA, RoHS compliant)
- TAA-compliant, made in North America in an ISO 9001 certified facility; mounting hardware not included
The RMSC1904BK1 is a 4U hinged rack security cover panel that mounts to standard 19-inch EIA-compliant rack rails to restrict physical access to front-panel equipment while keeping it visible. It suits IT and AV integrators, telecom technicians and facilities teams who need to protect switches, patch fields, amplifiers or control gear in data centers, server rooms and shared or semi-public rack deployments.
Construction is 16-gauge mild steel with a black textured powder coat finish, described by the manufacturer as GREENGUARD, TSCA and RoHS compliant. The assembly consists of a security cover frame, a hinge assembly, a 6 mm smoked plexi (acrylic) window and a keyed lock with nut (7.5 mm). The smoked acrylic window lets you read status LEDs and indicators without unlocking the panel, while the integrated lock and key prevent unauthorized adjustments or tampering.
This 4U size measures 6.97 in (177 mm) high, 19.00 in (483 mm) wide and 1.61 in (41 mm) deep, with a mounting height of 7.00 in (178 mm) and a 19-inch mounting rail pattern shown on the drawing as 18.35 in (466 mm). Shipping weight is 2.2 lbs (1.00 kg). The hinged design allows the RMSC1904BK1 to be installed without removing existing rack equipment, which simplifies retrofits and upgrades; note that mounting hardware is not included.
RMSC1904BK1 is TAA-compliant and manufactured in North America (country of origin CA) in an ISO 9001 certified facility, and is listed as USMCA, RoHS and REACH compliant, making it a practical choice for compliance-driven installations.
Ideal For
- Data centers and server rooms
- Telecom and network installations
- Shared IT and semi-public rack deployments
- Protecting front-panel controls and connections from tampering
- Compliance-driven installations requiring physical rack security
Overview
| Colour | Painted Black Textured |
| Series | RMSC Series Hinged Window Rack Security Cover |
| Description | 4U Hinged Plexi Cover |
| Part Number | RMSC1904BK1 |
| Product Type | Rack security cover panel |
Dimensions
| Overall Depth | 1.61 in (41 mm) |
| Overall Width | 19.00 in (483 mm) |
| Overall Height | 6.97 in (177 mm) |
| Top View Depth Detail | 1.89 in (48 mm) |
| Front Height (Drawing) | 7.01 in (178 mm) |
Identifiers
| UPC | 623980521459 |
| ECCN | EAR99 |
| UNSPSC | 43201618 |
| GTIN-14 | 00623980521459 |
| Tariff Code | 9403.10.0040 |
| Country Of Origin | CA |
| UPC W/o Check Digit | 62398052145 |
Rack Mounting
| Rack Units | 4U |
| Mounting Width | 18.35 in (466 mm) (19" MTG) |
| Mounting Height | 7.00 in (178 mm) |
| Rack Compatibility | Standard 19-inch EIA-compliant rack rails |
Packaging & Shipping
| Shipping Weight | 2.2 lbs (1.00 kg) |
Construction & Finish
| Lock | Key-lock with nut, 7.5 mm |
| Access | Hinged panel with hinge assembly |
| Finish | Black powder coat (GREENGUARD, TSCA, RoHS compliant) |
| Window | Smoked plexi glass (acrylic), 6 mm |
| Material | Mild Steel |
| Components | Security cover frame (1), hinge assembly (1), smoked plexi glass 6 mm (1), key-lock with nut 7.5 mm (1) |
| Steel Gauge | 16-gauge |
Compliance & Certifications
| Standards | TAA-compliant |
| Manufacturing | Made in North America in an ISO 9001 certified facility |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
| USMCA Compliant | Yes |
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Frequently Asked Questions
How much rack space does RMSC1904BK1 occupy?▾
It is a 4U panel with a mounting height of 7.00 in (178 mm) and an overall height of 6.97 in (177 mm), 19.00 in (483 mm) wide and 1.61 in (41 mm) deep.
Do I have to remove existing equipment to install it?▾
No. The hinged design allows installation without removing existing rack equipment, which simplifies upgrades and retrofits.
Is mounting hardware included?▾
No. The drawing notes state that the part does not include mounting hardware.
Can I see equipment status with the cover closed?▾
Yes. The 6 mm smoked plexi (acrylic) window gives clear visibility of equipment status and indicators without opening the panel.
Does it lock?▾
Yes. An integrated key-lock (with 7.5 mm nut) prevents unauthorized access to front-panel equipment.
Is RMSC1904BK1 suitable for compliance-driven projects?▾
It is TAA-compliant, made in North America in an ISO 9001 certified facility, and listed as RoHS, REACH and USMCA compliant with ECCN EAR99.


