728 Keystone Electronics, 728 Datasheet

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Manufacturer Part Number

728

Description

Feet (Bumpers)

Manufacturer

Keystone Electronics

Type

Recessed Bumperr

Datasheets

1.732.pdf (1 pages)

2.721.pdf (1 pages)

Specifications of 728

Bore Size

6.35mm

Spacer Material

Vinyl

External Width

19.05mm

External Depth

3.759mm

Body Color

Black

Panel Thickness Max

0.25"

Mounting Hole Dia

0.265

External Height

0.437"

Screw Size Accepted

Shape

Cylindrical, Tapered, Recessed Center

Color

Black

Size

0.750" Dia x 0.437" H (19.05mm x 11.10mm)

Size - Visible

0.750" Dia x 0.437" H (19.05mm x 11.10mm)

Mounting Type

Screw

Features

Ideal for electrical insulation

Depth, Recess (d)

0.250 in.

Diameter, Inner, Screw Clear (e)

0148 in.

Diameter, Mounting Hole

0.148 in.

Diameter, Outer (a)

0.750 in.

Diameter, Recess (c)

0.265 in.

Height

.437 in.

Material, Body

Vinyl

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Lead Free Status / RoHS Status

Lead free / RoHS Compliant, Lead free / RoHS Compliant

Other names

728K
728KK
728KK

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CAT. NO. 717

Closes unused chassis holes quickly and economically. Plugs are abrasion and

vibration resistant.

Used to cover chassis holes while allowing air flow for ventilation.

MATERIAL:

NYLON HOLE PLUGS

Tel (718) 956-8900

8600

8601

8602

8603

8604

8605

8606

8607

8608

8609

8610

8611

8612

8613

CAT.

NO.

(800) 221-5510

NYLON VENT PLUGS

Nylon 6/6, Matte Finish, Black

DIAMETER THICKNESS

1.250 (31.8)

1.500 (38.1)

DIAMETER THICKNESS

1.000 (25.4) .125 (3.2) 1.218 (30.9) .453 (11.5)

1.000 (25.4)

1.125 (28.6)

1.375 (34.9)

.250 (6.4)

.312 (7.9)

.500 (12.7)

.625 (15.9)

.750 (19.1)

.875 (22.2) .125 (3.2) 1.015 (25.8) .453 (11.5)

.375 (9.5)

.875 (22.2)

HOLE

•

Fax (718) 956-9040

kec@keyelco.com

.062 (1.57) .312 (7.9) .312 (7.9)

.062 (1.57) .375 (9.5) .312 (7.9)

.125 (3.2)

.125 (3.2) 1.015 (25.8) .453 (11.5)

.125 (3.2) 1.203 (30.6) .453 (11.5)

.125 (3.2) 1.218 (30.9) .453 (11.5)

.125 (3.2) 1.375 (34.9) .453 (11.5)

.125 (3.2) 1.500 (38.1) .453 (11.5)

.125 (3.2) 1.671 (42.4) .453 (11.5)

.093 [2.36]

.125 [3.2]

PANEL

.062 [1.57]

.032 [0.81]

.093 [2.36]

.125 [3.2]

.062 [1.57]

.032 [0.81]

.062 [1.57]

SELF-LOCKING BUMPER FOOT

.062 [1.57]

.468 (11.9) .406 (10.3)

.578 (14.7) .406 (10.3)

.734 (18.6) .406 (10.3)

.921 (23.4) .406 (10.3)

•

Recommended Mounting Hole: .305 (7.8) diameter

MATERIAL:

Foot: Santoprene, Black Pin: Polypropylene, Black

A unique easy-to-install self-locking bumper foot

Two piece assembly, furnished pre-assembled

Vibration absorbing and skid resistant

Mounts without screws or tools

RoHS COMPLIANT

ISO 9001 CERTIFIED

Provides excellent traction and shock absorbing qualities. available with or without

Mold-in Washers.

MATERIAL:

7600

7601

7602

7603

7604

7605

7606

7607

7608

7609

7610

7611

CAT.

MATERIAL:

* Gray, All Others Black

Excellent spring retention. Plugs will cover chassis holes, wiring outlets, access

holes or unused openings.

NO.

CAT.

720

721

722

723

724*

725*

726*

727

728

729

NO.

FIG. 1

1.000 (25.4) .062-.156 (1.57-3.9)

1.125 (28.6) .031-.125 (.79-3.2)

1.250 (31.8) .062-.093 (1.57-2.36) 1.437 (36.5) .343 (8.7) .093 (2.36)

1.375 (34.9) .031-.125 (.79-3.2)

1.500 (38.1) .031-.062 (.79-1.57)

DIAMETER

.250 (6.4)

.500 (12.7) .031-.062 (.81-1.57)

.750 (19.1) .062-.093 (1.5 -2.36)

Steel, Nickel Plate

.312 (7.9)

.375 (9.5)

.625 (15.9) .062-.093 (1.57-2.36)

.875 (22.2) .062-.093 (1.57-2.36) 1.062 (27.0) .296 (7.5) .062 (1.57)

FIG.

HOLE

Rubber, BUNA S (Figs. 1 & 2), Thermoplastic (Fig. 3)

3 1.062 (27.0)

RECESSED BUMPERS

.500 (12.7) .250 (6.4)

.562 (14.3) .375 (9.5)

.625 (15.9)

.937 (23.8) .375 (9.5)

.687 (17.4)

.875 (22.2) .312 (7.9)

.750 (19.1)

.937 (23.8) .625 (15.9) .359 (9.1)

STEEL HOLE PLUGS

.718 (18.2)

.031-.062 (.81-1.57)

.047-.062 (1.19-1.57)

.047-.078 (1.19-1.98)

THICKNESS

31-07 20th Road – Astoria, NY 11105-2017

PANEL

.250 (6.4)

.312 (7.9)

.437 (11.1) .250 (6.4)

.437 (11.1) .468 (11.9) .234 (5.9) .200 (5.1)

.437 (11.1) .265 (6.7)

FIG. 2 Mold-In Washer

www.keyelco.com

.425 [10.8]

.200 [5.1]

.250 (6.4)

.406 (10.3) .125 (3.2) .187 (4.7)

.375 (9.5)

.343 (8.7)

.218 (5.5)

1.140 (29.0) .328 (8.3) .093 (2.36)

1.312 (33.3) .343 (8.7) .093 (2.36)

1.562 (39.7) .406 (10.3) .078 (1.98)

1.640 (41.7) .406 (10.3) .093 (2.36)

.406 (10.3) .234 (5.9) .062 (1.57)

.500 (12.7) .234 (5.9) .062 (1.57)

.656 (16.7) .281 (7.1) .078 (1.98)

.437 (11.1) .250 (6.4). 062 (1.57)

.812 (20.6) .296 (7.5) .078 (1.98)

.921 (23.4) .296 (7.5) .078 (1.98)

.910 [23.1] DIA.

.250 (6.4) .148 (3.8)

.125 (3.2) .155 (3.9)

.297 (7.5)

.187 (4.7) .125 (3.2)

.218 (5.5) .125 (3.2)

.187 (4.7) .187 (4.7)

.187 (4.7) .115 (2.9)

FIG. 3 Mold-In Washer

.312 [7.9]

.174 (4.4)

.980 [24.9]

LOCKING PIN

(SHOWN

PARTIALLY

INSERTED)

DIA.

SCREW

SIZE

PRONGS

# 10

# 4

# 8

# 6

# 8

# 4

# 6

# 8

121

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