131-3540 M8 x 1.25 mm Hex Locknut

Lock Nut

SKU: 131-3540 Categories: ,

Description

Cat® fastener parts are designed for specific applications based on size, strength, clamp load and past performance, information other manufacturers do not have. They are carefully selected to last until machine rebuild or end of life. Non-Cat hardware and fasteners may appear to fit your machine, but no one else knows your equipment the way we do.

Features

  • Cat fasteners are manufactured to precise specifications for durability, reliability and high efficiency
  • Strength and Quality – Fasteners meet or exceed ISO, ASTM, ASME and SAE requirements.
  • Cat bolts, nuts and washers are specifically designed to work together as a system to maximize clamping force.
  • Coating meets the special requirements of different applications (RoHS compliant).

Applications

Cat bolts form a high-performance system with mating washers and nuts to produce consistent, high clamping force. You can rely on Cat fasteners to help you build, maintain or rebuild – for most machine and shop applications around the world.

Specifications

Hole Thread Pitch1.25
Grade5
Thread SizeM8 mm (0 in)
Thread DirectionRH
Class or GradeSee Drawing
Thickness6.76 mm (0.266 in)
Locking MechanismNylon Insert
Thread Size (Diameter × Pitch)M8X1.25 mm
ThreadRH Coarse
Height7 mm
Drive Chain13 mm (0.512 in)
Nut ModelLock Nut
Thread Size (in – TPI)M8-1.25 in
MaterialSTEEL
Material DescriptionISO 898-2 Class 10
CoatingZinc Plated

Compatible Equipment

  • Generator Sets: C9, C7.1, C4.4, C3.3DE50E0, C3.3DE33E0, C2.2DE18E3, 3512B, 3516C, 3406C, C4.4DE88E0, C7.1DE200E
  • Track Loaders: 973K, 834H, 953K, 963, 963D, 982, 972, 953, 992, 953D, 963K, 826H, 995, 824G, 826G
  • Cold Planers: SE50 VT, PM620, PM622, TH360B, PM-200, SE60 VT XW
  • Compactors: CB1.8, CB1.7, CB-534D, CB-335D, CP54B, CS-56, CB-564D, CB2.5, CB2.7 GC, CB2.5 GC, CB-14, CB2.9, CS-563E, CB-36B, CS12, CS68B, CS11, CB-34B, CP12 GC, CP11 GC, CP56B, CB2.7, CS12 GC, CS56B, CB-24B, CS78B, CS54B, CS-54, CS-583D, CC-34B, CC2.7 GC, CB-334D, CS74B, CW-34, CB-44B, CB-434D, C-9, CS64B, CS-54B, CS-533E
  • Engines: C15, C32, C27, C7, C6.6, C13, C18, C175-16
  • Excavators: 326D2 L, 349D2 L, 3456, 349D2, 349D, 329D2 L, 320D2, 320D, 329D, 326D2, 336D2, 329D2, 303.5E2 CR, 305E2 CR, 3516B, 313D2 GC, 313D2-GC, 320D2 GC, 313D2, 320D GC, 336D2 GC, 318D2 L, 323D L, 323D2 L, 330D2, 329D L, 330D2 L, 324D, 120 GC, 349D L, 3508B, 345B, 428F, 621H, 621K, 621G, M325D L MH, 340D2 L, 432, 657G, 320D2 L, 320D L, 315D L, 336D2 L, 326D L, 312D2 GC, 637K, 312D2 L, 385B, 416E, 312 GC, 312 GX, 336D2 XE, 312D, 325B L, 324D L, 313D, 336D L, 318D L, 312D2
  • Asphalt Pavers: AP355F, AP300F, AP-600D, AP655F, AP655F L
  • Skid Steer Loaders: 216B3, 226B3, 272D3 XE, 232D, 262D, 236D, 239D3, 249D3, 289D3, 226D3, 236, 279C, 236D3, 232D3, 246D3, 262D3, 299D3 XE, 272D3, 242D3, 3126B, 262C, 236B3, 226B, 259D3, 24, 246D, 246C
  • Motor Graders: 120, 12K, 140 GC, 160K, 140K
  • Wheel Excavators: M320, M313D, M322D, M315D, M315, M317D2, IT14G, M315GC, M315D2, M320D2
  • Dozers: D8T, D5K LGP, D5K XL, D6N, D6K2, D5N, D4, D1, D3K2 LGP, D4G, D3G, D5G, D7E, D5K2 XL, D10R
  • Compact Track Loaders: 279D3, 299D3
  • Mini Excavators: 305.5E2, 305E2
  • Wheel Loaders: 972H, 950G, 966L, 962G, 980H, 938K, 962L, 950H, 924K, 966H, RM400, 926M, 980, 966, 928HZ, 928G, 972G, 966K, 924GZ, 972L, 924HZ, RM500B, 988H, 950 GC, 980G, 950L, 980L, 938M, M314, 834, 950, 988G
  • Off-Highway Trucks: 740, 793F, 740B, 735, 775G, 785D, 796 AC, 798 AC, 797F, 789D, 773F, 730, 789, 793, 770G, 772G, 725, 745C, 725C2, 785, 794 AC, 793D

Additional information

Machine Model

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Equipment Type

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Part Source

Genuine OEM