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Shackle - Class 3 Safety Chain - Alloy


  • RRC-271D Amend 1 Type IVB, Grade B, Class 3

  • All shackles meet or exceed Federal Specification RRC-271D

  • Working Load Limit and traceability codes shown as permanent marking on body and pin

  • Available in painted, galvanized and self-colored finishes (Dacromate coating upon special request only)

  • All shackles have alloy quenched and tempered pins

  • Shackles exhibit extreme deformation before failure*

  • Special testing and certification including magnetic particle, proof load, and fatigue test available upon request at time of order

  • Special products engineering available to fit your special lifting, tie down, and pulling needs


*Independent lab verified
Click Here to view Metric Chart
SIZE

DIMENSIONS (INCHES)

SIZE

Diameter of Pin

Diameter of Hole

Width between Eyes

Inside Length

Outside Diameter of Eye

D

(nominal)

P

(nom)

E

(ref)

W

(nom)

L
(nom)

R
(max)

3/8

0.438

0.531

0.656

1.437

1.125

7/16

0.500

0.593

0.750

1.689

1.250

1/2

0.625

0.718

0.813

1.875

1.375

5/8

0.750

0.843

1.063

2.375

1.875

3/4

0.875

0.968

1.250

2.813

2.125

7/8

1.000

1.109

1.438

3.312

2.375

1

1.125

1.234

1.688

3.750

2.625

1 1/8

1.250

1.375

1.812

4.250

2.875

1 1/4

1.375

1.531

2.031

4.688

3.250

1 3/8

1.500

1.656

2.250

5.250

3.500

1 1/2

1.625

1.781

2.375

5.750

3.750

1 5/8

1.750

1.906

2.625

6.250

4.125

1 3/4

2.000

2.156

2.875

7.000

4.500

2

2.250

2.406

3.250

7.750

5.250

 

Size

Working Load Limit WLL (tons)

Product Code

Painted

UPC 43927-

Galvanized UPC 43927-

Approx Weight Each (lbs)

3/8

2

M948A

46467

46469

.38

7/16

2.6

M949A

46468

46470

.52

1/2

3.3

M950A

46173

44964

.78

5/8

5

M951A

46175

44904

1.5

3/4

7

M952A

46177

46227

2.2

7/8

9.5

M953A

46179

45380

3.2

1

12.5

M954A

46181

45386

5.0

1 1/8

15

M955A

46183

46228

7.0

1 1/4

18

M956A

46185

45942

9.2

1 3/8

21

M966A

46191

46229

13.0

1 1/2

30

M957A

46187

44355

17.0

1 5/8

35

M985A

46195

46230

24.0

1 3/4

40

M977A

46193

44397

28.5

2

50

M958A

46189

45292

39.0

 

*1 ton = 2000 lbs
WARNING
To Avoid Injury:
  • Do not exceed working load limit
  • Always follow safe rigging practices
  • Do not shock load or impact load
  • Do not replace pin with other than original equipment parts
  • Always inspect for wear and or damage before use.
  • Replace if damaged or worn
  • Please note side load limitations

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