The document is an engineering drawing that includes a bill of materials for a caster assembly. The drawing lists 7 parts including a top plate, axle support, wheel, axle, screws, washers, and nuts. It also specifies the total mass of 3150.11 grams and provides dimensions, tolerances, and other design information for the caster assembly.

3. 120
136
B
B
100
SECTION B-B
5
7
1
3
2
4
6
Mass = 3150.11 grams
ITEM NO. PART NUMBER DESCRIPTION QTY.
1 Top Plate 1
2 axle support 2
3 wheel 1
4 Axle 1
5
B18.2.3.9M - Heavy
hex flange screw,
M10 x 1.5 x 30 --30N
4
6
B18.22M - Plain
washer, 10 mm,
regular
4
7
B18.2.4.5M - Hex jam
nut, M10 x 1.5, with
16mm WAF --D-N
4
D
C
B
AA
B
C
D
12345678
8 7 6 5 4 3 2 1
THE INFORMATION CONTAINED IN THIS
DRAWING IS THE SOLE PROPERTY OF
<INSERT COMPANY NAME HERE>. ANY
REPRODUCTION IN PART OR AS A WHOLE
WITHOUT THE WRITTEN PERMISSION OF
<INSERT COMPANY NAME HERE> IS
PROHIBITED.
PROPRIETARY AND CONFIDENTIAL
NEXT ASSY USED ON
APPLICATION
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL
ANGULAR: MACH BEND
TWO PLACE DECIMAL
THREE PLACE DECIMAL
INTERPRET GEOMETRIC
TOLERANCING PER:
MATERIAL
FINISH
DRAWN
CHECKED
ENG APPR.
MFG APPR.
Q.A.
COMMENTS:
DATENAME
TITLE:
SIZE
B
DWG. NO. REV
WEIGHT:SCALE: 1:2
UNLESS OTHERWISE SPECIFIED:
MIKE C.
SHEET 1 OF 1
Caster ASM
MIKE C.
DO NOT SCALE DRAWING