FS Industries ENGINEERED STEEL PRODUCTS
Priced Full Line Products Catalog
20 Technology Way • West Greenwich, RI 02817
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4C Horizontal Mailbox - Surface Mounted
Made of heavy duty aluminum and stainless steel hard-
ware, The 3800 series surface mounted 4C horizontal
mailboxes are accessed from the front through one or
two (2) easy opening master door panels. Surface
mounted 4C horizontal mailboxes include a USPS
approved 4C horizontal mailbox and matching surface
mounted enclosure and are available in configurations
that are one door wide (single column) and two (2)
doors wide (double column). The durable and corrosion
resistant units feature a powder coated finish available in
four (4) contemporary colors and are designed for indoor
and outdoor use. Surface mounted 4C horizontal mail-
boxes are available with standard mailbox doors (MB1)
that are 12-3/4'' W x 3-1/4'' H. All pre-numbered
mailbox doors include a heavy duty cam lock with a
dust/rain shield and three (3) keys. Each unit includes
a compartment for outgoing mail collection and is labeled
"Outgoing Mail". The outgoing mail compartment
includes a weather protection flap and an
11-3/4" W x 3/4" H mail slot.
Max. Ht. Units - 57-3/4"H
Note: The 3800 series surface mounted 4C
horizontal mailboxes include a USPS
approved 4C horizontal mailbox unit and a
matching enclosure. 4C mailboxes are
required for new construction and major
renovations.
6 Door High Units* - 24-1/2"H
Fully integrated and stand-alone parcel lockers are available in heights ranging
from the equivalent of three (3) standard MB1 mailbox doors (PL3 - 10-1/4"
high) to six (6) standard MB1 mailbox doors (PL6 - 20-3/4" high). The maxi-
mum height units (3816D-15) have three (3) fully integrated parcel lockers
(2 PL4.5 and 1PL5) and fifteen (15) standard MB1 mailbox doors and meet
the USPS 4C requirement of one parcel locker for every five (5) tenant
compartments. 4C receptacle bins and collection boxes are available in 10
door, 11 door and maximum height units. Surface mounted 4C horizontal
mailboxes provide a convenient means of installing 4C horizontal mailboxes
in locations where walls cannot accommodate a recessed mounted installation.
10 Door High Units*- 38-1/2"H
*All units meet ADA reach requirements when installed with the tenant locks in the top row of mailboxes no
more than 48" above the finished floor and the bottom shelf of the lowest row of mailboxes no less than 28"
above the finished floor.
CLICK here to Access our 4C Mailbox Configuration
Our 4C mailbox configuration file will assist in determining the ideal combination of mailboxes and parcel lockers
based on your specific requirements. This robust tool also allows you to customize 4C mailbox units and add
numbering sequences to drawings. Contact our sales department for assistance.
• Ideal for Installations with Limited Wall
   Depth
• Easily Mounted to Any Flat Surface
• Fully Integrated Parcel Locker(s)
• For Indoor or Outdoor Use
• Engraved Doors or Placards Available
• ADA Compliant Units Available
See Below for Diagrams and Prices
Order Online, by Phone, or by E-mail

~ Add items to your online shopping cart ~
Click the Model No. of the item you wish to purchase.
² Specify:
USPS access or private access (order #3775 master
commercial lock for private access on FL units and PL's)
PRICING FOR 4C HORIZONTAL MAILBOX ENCLOSURES - SURFACE MOUNTED
Model No.
Description
Size
Weight
Price
Maximum Height Units - 57-3/4"H (Includes Enclosure)
20 MB1 Doors and 2 Parcel Lockers (PL4.5's)
31-3/4"W  x 17"D
225 lbs
$4,234.40
15 MB1 Doors and 3 Parcel Lockers (PL4.5, PL5)
31-3/4"W  x 17"D
215 lbs
$3,982.48
10 MB1 Doors and 4 Parcel Lockers (PL4.5's, PL5's)
31-3/4"W  x 17"D
205 lbs
$3,730.56
6 Parcel Lockers (PL4.5's, PL5's, PL6's)
31-3/4"W  x 17"D
200 lbs
$3,140.96
9 MB1 Doors and 1 Parcel Locker (PL4.5)
17-3/4"W x 17"D
130 lbs
$2,497.76
6 MB1 Doors and 2 Parcel Locker (PL3, PL4.5)
17-3/4"W x 17"D
130 lbs
$2,369.12
3 Parcel Lockers (PL4.5, PL5, PL6)
17-3/4"W x 17"D
125 lbs
$1,999.28
11 Door High Units - 42"H (Includes Enclosure)
20 MB1 Doors no Parcel Lockers
31-3/4"W  x 17"D
185 lbs
$3,500.08
15 MB1 Doors and 1 Parcel Locker (PL5)
31-3/4"W  x 17"D
175 lbs
$3,242.80
10 MB1 Doors and 2 Parcel Lockers (PL5's)
31-3/4"W  x 17"D
175 lbs
$3,001.60
4 Parcel Lockers (PL5's, PL6's)
31-3/4"W  x 17"D
170 lbs
$2,433.44
9 MB1 Doors - no Parcel lockers
17-3/4"W x 17"D
105 lbs
$2,085.04
4 MB1 Doors and 1 Parcel locker (PL5)
17-3/4"W x 17"D
105 lbs
$1,843.84
2 Parcel Lockers (PL5, PL6)
17-3/4"W x 17"D
95 lbs
$1,586.56
10 Door High Units - 38-1/2"H (Includes ADA Compliant Enclosure)
10 MB1 Doors and 2 Parcel Lockers (PL4, PL4.5)
31-3/4"W x 17"D
165 lbs
$2,862.24
9 MB1 Doors and 2 Parcel Lockers (PL4.5, PL5)
31-3/4"W x 17"D
165 lbs
$2,787.20
6 MB1 Doors and 2 Parcel Lockers (PL6's)
31-3/4"W x 17"D
160 lbs
$2,599.60
4 Parcel Lockers (PL5's)
31-3/4"W x 17"D
155 lbs
$2,283.36
4 MB1 Doors and 1 Parcel Locker (PL4.5)
17-3/4"W x 17"D
100 lbs
$1,763.44
3 MB1 Doors and 1 Parcel Locker (PL5)
17-3/4"W x 17"D
95 lbs
$1,683.04
2 Parcel Lockers (PL5's)
17-3/4"W x 17"D
90 lbs
$1,490.08
6 Door High Units - 24-1/2"H (Includes ADA Compliant Enclosure)
10 MB1 Doors - no Parcel Lockers
31-3/4"W x 17"D
115 lbs
$2,251.20
9 MB1 Doors - no Parcel Lockers
31-3/4"W x 17"D
115 lbs
$2,133.28
5 MB1 Doors and 1 Parcel Locker (PL5)
31-3/4"W x 17"D
110 lbs
$1,999.28
2 Parcel Lockers (PL6's)
31-3/4"W x 17"D
105 lbs
$1,683.04
4 MB1 Doors - no Parcel Lockers
17-3/4"W x 17"D
65 lbs
$1,436.48
3 MB1 Doors - no Parcel Lockers
17-3/4"W x 17"D
65 lbs
$1,313.20
1 Parcel Locker (PL6)
17-3/4"W x 17"D
60 lbs
$1,168.48
4C HORIZONTAL MAILBOX SPECIFICATIONS & OPTIONS
FINISHES
The durable and corrosion resistant 4C units feature a
durable powder coated finish available in aluminum,
bronze, sandstone or black. Custom finishes (#3766 –
add 25% upcharge) are available as an option upon
request – minimum order of (100) doors.
DOOR IDENTIFICATION
Each standard 4C horizontal mailbox door has a 1''
high number. The outgoing mail compartment is labeled
"Outgoing Mail" and the parcel locker(s) are labeled
with a "1P", "2P", etc. Custom identification systems are
available as an option upon request.
CUSTOM ENGRAVED PLACARDS (#3767)
1-3/4" W x 1-1/2" H custom
engraved self-adhesive placards
are available as an option upon
request.		 custom engraved placards
CUSTOM ENGRAVED DOORS
• Custom engraved door -
   regular - #3768		 engraved doors
custom engraved doors
• Custom engraved door -
   black filled - #3774
OUTGOING MAIL COMPARTMENTS LOCKS
One additional compartment in each unit is labeled
"Outgoing Mail" and includes a weather protection
flap and a 10-3/4"W x 3/4"H mail slot.		 Each 4C mailbox door
includes a heavy duty five
(5) pin cylinder cam lock
with a dust/rain shield and
three (3) keys. (2,000
different key changes).		 locks
OPTIONS (for installations not serviced by the USPS
• Mail slots - (#3769) Standard slot size:
   10"W x 3/4"H
• Additional keys per lock
   when ordering (#3798)
#3790
Custom slot sizes are available upon request.
• Key blanks - box of (50) (#3799)
• Plexiglass window 1-1/8"W x 7/8"H (#3771)
• Custom lock installation - cylinders provided by
   owner (for installations not serviced by the USPS)
   (100) door minimum (#3793 - $5.40 additional per door)
COMBINATION LOCK #3786
• Outgoing mail slot plug kit (#3770)
Three (3) digit single dial combination
lock with spring latch and automatic
throw-off (for installations not serviced
by the USPS). Combination numbers
can be changed by owner.
MASTER COMMERCIAL LOCK
Factory installed if for private access -
for front loading mailboxes and parcel
lockers - with (2) keys
TENANT PARCEL LOCKER LOCK
For parcel locker door -
with (3) keys
SUBMIT REQUIRED LAYOUT AND
OPTIONS FOR A PRICE QUOTATION
Order Online, by Phone, or by E-Mail

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Click the Model No. of the item you wish to purchase.
SPARE PARTS & OPTIONS PRICES
Model No.
Description
Prices
MB1 replacement door and lock with (3) keys; 3-1/4"H x 12-3/4" W
$107.20
MB2 replacement door and lock with (3) keys; 6-3/4"H x 12-3/4" W
$117.92
MB3 replacement door and lock with (3) keys; 10-1/4"H x 12-3/4" W
$128.64
PL3 replacement door and lock with (2) keys; 10-1/4"H x 12-3/4" W
$171.52
MB4 replacement door and lock with (3) keys; 13-3/4"H x 12-3/4" W
$139.36
PL4 replacement door and lock with (2) keys; 13-3/4"H x 12-3/4" W
$182.24
PL4.5 replacement door and lock with (2) keys; 15-1/2"H x 12-3/4" W
$187.60
Replacement PL5 door and tenant lock
$192.96
Replacement PL6 door and tenant lock
$203.68
3766
Custom finishes (minimum order of 100 doors) - Specify Color
Add 25%
3767
Custom engraved placard - for 4C horizontal mailbox doors and
parcel lockers; 1-1/2"H x 1-3/4"W
$3.22
3768
Custom engraved door - regular - for 4C horizontal mailbox doors
and parcel lockers
$5.36
Mails slots - Standard slot size; 10"W x 3/4"H
$5.36
Outgoing mail slot plug kit
$37.52
Plexiglass window; 1-1/8"W x 7/8"H
$3.22
3774
Custom engraved door - black filled - for 3700 series mailbox doors
and parcel lockers
$5.36
Master commercial lock-for front loading mailbox units and parcel lockers
- if for private access - w/2 Keys
$32.16
Tenant Parcel Locker lock - with (3) keys
$53.60
Combination lock
$37.52
Set of (5) #3790 Locks - standard replacement for 3700 series doors
- with three (3) keys
$139.36
Additional keys per lock when ordering
$5.36
Key blanks - for standard 3700 series locks - box of (50)
$64.32
Horizontal Mailbox Enclosures Surface Mounted,Standard Horizontal Mailboxes, Parcel Lockers, Aluminum Mailboxes, Indoor/
Outdoor Application, USPS Approved, Front or Rear Loading, Outgoing Mail Compartment, Heavy Duty Cam Locks, and ADA
Compliant from your source for material handling equipment.
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