721 Keystone Electronics, 721 Datasheet
Specifications of 721
Shape
Cylindrical, Recessed Center
Color
Black
Size
0.625" Dia x 0.312" H (15.88mm x 7.92mm)
Size - Visible
0.625" Dia x 0.312" H (15.88mm x 7.92mm)
Mounting Type
Screw
Wire Diameter
15.875mm
Bore Size
6.35mm
Spacer Material
Synthetic Rubber
External Width
15.875mm
Body Color
Black
Mounting Hole Dia
0.250
External Height
0.312"
Screw Size Accepted
#4
External Depth
3.175mm
Thread Size
4
Features
Ideal for electrical insulation
Product
Hardware
Depth, Recess (d)
0.187 in.
Diameter, Inner, Screw Clear (e)
0.125 in.
Diameter, Mounting Hole
0.125 in.
Diameter, Outer (a)
0.625 in.
Diameter, Recess (c)
0.250 in.
Height
0.312 in.
Material, Body
Rubber, BUNA S
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
721K
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
721-102/026-047
Manufacturer:
WAGO
Quantity:
38 038
Company:
Part Number:
721-102/026-047
Manufacturer:
MOLEX
Quantity:
35 000
Company:
Part Number:
721-132/001-000
Manufacturer:
WGO
Quantity:
47
Part Number:
7211J26ZQE22
Manufacturer:
C&K
Quantity:
20 000
Part Number:
7211J60Z3QE2
Manufacturer:
C&K
Quantity:
20 000
84
Designed to be assembled into holes that already contain wire or cable. Versatile bushing
can be used on all chassis from .032 to .125 thick.
Ideal for electrical insulation and mechanical damping. Made from BUNA S.
MATERIAL:
CAT. NO. 777
•
•
•
CAT. NO.
Self-adjusting membrane forms a dust resistant seal
Installs in .500 diameter hole in .062 thick
panels or boards
Molded outer ring retains grommet in place
CAT. NO.
“UNIVERSAL” RUBBER GROMMET
8490
8491
8492
8493
8494
8495
8496
730
733
734
735
736
731
737
738
739
740
741
742
743
744
745
732
746
747
748
749
750
752
753
755
756
757
Designed to adjust to different wire, cable or tubing diameters from .125 to .312
REQUIRED
Black Thermoplastic Rubber
NYLON SPLIT BUSHINGS
1.000
.375
.500
.562
.625
.750
.875
HOLE
SIZE
RUBBER GROMMETS
.125
.125
.125
.125
.187
.187
.187
.250
.250
.250
.312
.312
.312
.375
.375
.437
.437
.500
.500
.500
.562
.625
.625
.750
.750
.875
I.D.
A
INSIDE
.265
.312
.390
.453
.546
.671
.796
DIA.
A
For Hole
1.250
1.250
1.062
1.437
1.250
.187
.250
.437
.375
.312
.312
.281
.437
.375
.375
.562
.437
.437
.625
.500
.562
.687
.812
.750
.812
.875
B
1.062
HEAD
DIA.
.421
.562
.640
.687
.796
.921
B
For Panel
31-07 20th Road
e-mail: kec@keyelco.com
.062
.062
.062
.093
.062
.062
.093
.062
.062
.093
.062
.062
.093
.062
.062
.062
.062
.062
.062
.093
.062
.062
.062
.062
.062
.062
MATERIAL:
GROMMETS, BUMPERS & BUSHINGS
C
1.062
1.500
1.062
1.125
1.500
1.375
1.812
1.625
Nylon 6/6, Black
.312
.343
.625
.500
.437
.437
.437
.625
.562
.500
.812
.625
.625
.875
.625
.750
.937
.968
D
•
Astoria, New York 11105-2017
.187
.187
.187
.312
.218
.218
.218
.187
.250
.250
.312
.281
.312
.312
.250
.250
.312
.312
.250
.281
.312
.312
.250
.375
.375
.437
E
•
WebSite: keyelco.com
•
•
MATERIAL:
MATERIAL
Foot: Santoprene, Black
Pin: Polypropylene, Black
CAT. NO. 717
MATERIAL:
Provides excellent traction and shock absorbing qualities. available with or
without Mold-in Washers.
Snaps into panel hole to provide protection for wire, cable and tubing from
sharp uneven edges.
A unique easy-to-install self-locking bumper foot
Two piece assembly, furnished pre-assembled
*Grey - all others black
CAT. NO.
CAT. NO.
*724
*725
*726
8470
8471
8472
8473
8474
8475
8476
8477
8478
8479
8480
8481
8482
8483
8484
8485
8486
720
721
722
723
727
728
729
SELF-LOCKING BUMPER FOOT
NYLON INSULATED BUSHINGS
FIG. 1
Rubber, BUNA S (figs. 1 & 2), Vinyl (fig. 3)
Nylon 6/6, Black
REQUIRED
RECESSED BUMPERS
FIG.
1.000
1.187
1.250
1.375
1.500
1.750
2.000
2.500
1
1
1
2
3
3
3
3
3
3
.250
.312
.375
.437
.500
.562
.625
.750
.875
HOLE
SIZE
•
1.062
(718) 956-8900
.500
.625
.718
.937
.687
.875
.562
.750
.937
A
THICKNESS
MAXIMUM
CHASSIS
.062
.062
.125
.125
.125
.125
.125
.125
.125
.125
.125
.125
.125
.125
.125
.125
.250
.250
.312
.437
.375
.250
.312
.437
.375
.437
.625
B
FIG. 2
Recommended Mounting Hole: .305 dia.
1.000
1.062
1.375
1.625
1.968
.250
.250
.250
.375
.343
.406
.468
.218
.265
.359
INSIDE
.125
.187
.250
.312
.375
.437
.500
.562
.625
.750
.937
.937
C
DIA.
•
•
•
A
FAX (718) 956-9040
Vibration absorbing and skid resistant
Mounts without screws or tools
.187
.187
.218
.187
.125
.125
.234
.187
.250
.297
D
1.125
1.312
1.359
1.468
1.609
1.875
2.125
2.656
HEAD
DIA.
.312
.375
.468
.531
.578
.656
.718
.843
.953
B
.125
.125
.125
.187
.155
.187
.200
.115
.148
.174
E
FIG. 3
OVERALL
HEIGHT
.312
.312
.406
.406
.406
.406
.406
.406
.453
.453
.453
.453
.453
.453
.453
.453
.718
Screw
C
Size
#6
#8
#4
#4
#4
#8
#6
#8
#10
#4
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