A part’s listing in this catalog does not guarantee its availability.

To download/print the most current catalog, go to www.LORD.com.

Rev.4 10/13

Page 34 of 124

FLEX-BOLT

™ SANDWICH MOUNTS

Medium Sandwich Mounts

Table 1 – Specifications and Dimensions

NR = Natural Rubber

OR = Oil-Resistant Elastomer - Neoprene

Shear

Compression

Part Dimensions

Part Number

Type

Elastomer

Maximum

Spring Rate

Maximum

Spring Rate

A

B



Static Load

KS

Static Load

KC

lb

N

lb/in

N/mm

lb

N

lb/in

N/mm

in

mm

in

mm

J-3424-143

4

NR

23

102

115

20

130

578

650

114

2.0

50.8

.40

10.2

J-3424-49

4

NR

30

133

75

13

184

818

455

80

2.0

50.8

.40

10.2

J-3424-8

4

NR

36

160

110

19

208

925

635

111

2.0

50.8

.40

10.2

J-3424-5

4

OR

38

169

165

29

205

912

900

158

2.0

50.8

.40

10.2

J-3424-30

4

NR

49

218

320

56

259

1152

1685

295

2.0

50.8

.40

10.2

J-3424-6

4

NR

57

253

250

44

274

1219

1200

210

2.0

50.8

.40

10.2

J-3424-2

4

OR

66

293

290

51

278

1237

1220

214

2.0

50.8

.40

10.2

J-3424-80

4

NR

91

405

400

70

382

1699

1675

293

2.0

50.8

.40

10.2

J-3424-3

4

OR

81

360

355

62

417

1855

1830

320

2.0

50.8

.40

10.2

J-3424-21

4

OR

120

534

525

92

549

2442

2410

422

2.0

50.8

.40

10.2

J-3424-147

5

NR

—

—

—

—

551

2451

5400

946

2.0

50.8

.40

10.2

J-5294-2

6

OR

190

845

665

116

1500

6672

3675

643

2.81

71.4

4.78

121.4

J-5425-15

1

NR

92

409

220

39

600

2669

1250

219

3.12

79.2

1.25

31.8

J-5425-275

4

NR

110

489

260

46

720

3203

1400

245

3.12

79.2

.53

13.5

J-5425-1

1

NR

157

698

455

80

1020

4537

2165

379

3.12

79.2

1.25

31.8

J-5425-123

4

NR

165

732

750

133

1670

7428

4125

722

3.12

79.2

.53

13.5

J-5425-276

1

NR

221

933

850

149

1670

7428

3525

617

3.12

79.2

1.25

31.58

J-5425-27

2

NR

236

1050

650

114

1540

6850

2750

482

3.12

79.2

.53

13.5

J-5425-6

1

NR

175

777

800

142

2040

9074

4000

700

3.12

79.2

1.25

31.8

J-5425-169

3

NR

—

—

—

—

1100

4893

2680

469

3.12

79.2

—

—

J-5425-219

1

NR

325

1446

325

57

—

—

1800

315

3.12

79.2

0.87

3.9

Table 2 – Specifications and Dimensions

Part

Part Dimensions

Bolt Information*

Number

C

D

E

F

G

H

Thread

Grade per

in

mm

in

mm

in

mm

in

mm

in

mm

in

mm

Size

SAE J429

J-3424-143

2.12

53.8

0.40

10.2

—

—

—

—

—

—

—

—

1/2 - 13

2

J-3424-49

3.00

76.2

0.40

10.2

—

—

—

—

—

—

—

—

1/2 - 13

2

J-3424-8

2.62

66.5

0.40

10.2

—

—

—

—

—

—

—

—

1/2 - 13

2

J-3424-5

2.12

53.8

0.40

10.2

—

—

—

—

—

—

—

—

1/2 - 13

2

J-3424-30

1.75

44.5

0.40

10.2

—

—

—

—

—

—

—

—

1/2 - 13

2

J-3424-6

2.12

53.8

0.40

10.2

—

—

—

—

—

—

—

—

1/2 - 13

2

J-3424-2

2.12

53.8

0.40

10.2

—

—

—

—

—

—

—

—

1/2 - 13

2

J-3424-80

2.12

53.8

0.40

10.2

—

—

—

—

—

—

—

—

1/2 - 13

2

J-3424-3

2.12

53.8

0.40

10.2

—

—

—

—

—

—

—

—

1/2 - 13

2

J-3424-21

2.12

53.8

0.40

10.2

—

—

—

—

—

—

—

—

1/2 - 13

2

J-3424-147

1.00

25.4

0.40

10.2

—

—

—

—

—

—

—

—

1/2 - 13

2

J-5294-2

2.56

65.0

3.0

76.2

1.75

44.5

2.25

57.2

3.88

98.6

0.81

20.6

5/16 - 18

2

J-5425-15

3.00

76.2

1.25

31.8

—

—

—

—

—

—

—

—

1/2 - 13

2

J-5425-275

3.00

76.2

0.53

13.5

—

—

—

—

—

—

—

—

1/2 - 13

2

J-5425-1

3.00

76.2

1.25

31.8

—

—

—

—

—

—

—

—

1/2 - 13

2

J-5425-123

2.25

57.2

0.53

13.5

—

—

—

—

—

—

—

—

1/2 - 20

2

J-5425-276

2.25

57.2

1.25

31.8

—

—

—

—

—

—

—

—

1/2 - 13

2

J-5425-27

3.00

76.2

1.25

38.1

—

—

—

—

—

—

—

—

1/2 - 20

2

J-5425-6

3.00

76.2

1.25

38.1

—

—

—

—

—

—

—

—

1/2 - 13

2

J-5425-169

2.50

63.5

0.75

19.1

—

—

—

—

—

—

—

—

1/2 - 13

2

J-5425-219

3.0

76.2

0.87

3.9

—

—

—

—

—

—

—

—

1/2 - 13

2

* For tightening torque information, refer to Tightening Torque Charts section.