3B-4508 12.75 mm ID Lock Washer

Cat® Lock Washer for 1/2 in M12 Threaded Fasteners

SKU: 3B-4508 Categories: ,

Description

Split ring lock washer for 306 CR 2019, 306 CR 2020.

Cat® fasteners are designed for specific applications based on size, strength, clamping force and past performance. They are carefully selected to remain in service until the machine is rebuilt or reaches end of life. Non-Cat hardware and fasteners may appear to fit your machine, but other companies don't know your equipment the way we do. Cat® fasteners are built to precise technical specifications and are durable, reliable and efficient. This type of washer maintains constant pressure or tightness under heavy loads.

Applications

Cat® bolts form a high-performance system with matching hardened washers and nuts that produces consistently high clamping force. Cat fasteners help you build, maintain or repair for most machine and shop applications worldwide, and they can be trusted. Refer to your Operation and Maintenance Manual or contact MECHSC for more information.

Specifications

Gasket TypeHelical Spring-Split
Outside Diameter22.07 mm (0.87 in)
Inside Diameter12.75 mm (0.502 in)
CoatingZinc Electroplated (96 Hour Salt Spray Test)
Thickness3.18 mm (0.125 in)
MaterialCarbon Steel
Approximate Weight0.006 kg (0.01 lb)

Compatible Equipment

  • Generator Sets: G3516, 3512B, 3516C, 3406C, C9, 3406B, C4.4
  • Track Loaders: 992, 972, 963, 824C, 953D, 953, 994K, 995, 982
  • Cold Planers: SE50 VT, PL61, TH417D, TH255C, SE60 VT XW
  • Compactors: 814, 815, 816, CB-434D, CB-44B, CP54B, CS56B, CB-534D, CP56B, CS68B, CS74B, CS78B, CS54B, C13B, C-15, CB10, CS-533E, CS-54B
  • Engines: C13, C11, C32, C15, C7, C27, C18
  • Excavators: 330, 349D2 L, 320D, 3456, 320D2, 326D2 L, 326D2, 349D2, 349F L, 330D L, 349E L, 323, 336, 320 GC, 340, 320, 3516B, 323 GC, 326 GC, 333, 320E, 345C, 323D L, 326, 349, 320D L, 305 CR, 3508B, 637E, 3512C, 657G, 345 GC, 350, 352, 325, 330 GC, 336 GC, 345D L, 320D3 GC, 335, 323GC, 320D2 L, 349D L, 349E L VG, 330GC, 345C L, 352F, 320D3, 355, 6040, 350MHPU, 315D L, 336F L, 324D, 311D LRR, 312D, 318D2, 325C L, 320C, 336F, 318D2 L, 324D L, 314D CR, 325C, 312C L, 312D L, 313D, 330C L, 314D LCR, 336F L XE, 323D2 L, 320D2 GC, 323 GX, 320D FM, 637G, 349E, 318D L, 325D L, 345B, 320B, 312C, 326GC, 326D L, 333 GC
  • Asphalt Pavers: AD63, AP-600D, AP655F, AP655F L, AD45
  • Skid Steer Loaders: 272D3 XE, 299D3 XE, 272D3, 239D3, 289D3, 24, 262D3, 249D3, 259D3, 236D3, 242D3, 262C
  • Motor Graders: 3606, 349 GC, 120, 16, 140G, 14M, 140H, 16H, 12H, 120H, 16M, 140K
  • Wheel Excavators: MD6250, MD6200, MD6310
  • Dozers: D4E, D7G, D6R, D9N, D5M, D5G, D6M, D6T, D5H, D6N, D6R II, D7H, D8T, D8L, D7G2, D6G2 LGP, D5N, D7R II, D4, D6G, D9R, D6R III, D6G2 XL, D9T, D3G, D4G, D10, D5K LGP, D5K XL, D9L
  • Compact Track Loaders: 299D3, 279D3
  • Mini Excavators: 306, 301.7D CR, 306.5, 308, 307E2
  • Wheel Loaders: 950, 950 GC, 980, 834, 992C, 910, 972L, 950L, 962L, 966K, 950G, 950H, 966, RM400, 926M, 962G, 836, 972H, 966H, 966F, RM500B, R1700G, R2900G, 988F, 928G, 986H, 938M, 972G, 980L, 980G, 938K, 924K, 992D, 966L
  • Off-Highway Trucks: 794 AC, 773, 777, 730, 797F, 745C, 735, 7495, 725, 796 AC, 798 AC

Additional information

Machine Model

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Equipment Type

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Part Source

Genuine OEM