4B-4278 10.2 mm ID Washer
Flat Washer
Wholesale only · Full payment before shipment · Send your machine nameplate to confirm fitment
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
| Coating | Zinc |
|---|---|
| Outside Diameter | 20.5 mm (0.807 in) |
| Inside Diameter | 10.2 mm (0.402 in) |
| Gasket Type | Flat Washer |
| Fits Bolt Size | M10 mm (3/8 in) |
| Material | SOFT STEEL |
| Thickness | 1.6 mm (0.063 in) |
Compatible Equipment
- Generator Sets: G3516, 3406C, 3512B, 3516C, C4.4, C7.1, 3406B
- Track Loaders: 992, 824C, 953, 963, 824G, 826G, 826H, 816F, 834H, 990K
- Cold Planers: PL83, PL87, PL72, TH360B
- Compactors: CS-563E, CS-56, CS78B, CS-533C, CS68B, 814, 815, 816, 834K, CB-64B, CW-34, CS79B, CB-44B, CB-66B, CP56B, CB16, CS74B, CW-16, CP54B, CS54B, CS56B, CS12, CS11, C-15, CB13, CB10, CB15, CS-54B, CS64B
- Engines: C15, C32, C27, C13, C11, C18
- Excavators: 390D L, 349D2, 349D, 390F L, 3456, 349D2 L, 374F, 330, 320D, 320D2, 336D2, 326D2, 329D, 329D2, 306E2, 329D2 L, 336D, 326D2 L, 307E, 308E, 306E, 349F L, 374, 313 GC, 316 GC, 313, 330D L, 325, 340, 350, 336, 349, 3512C, 374F L, 390D, 352F, 3508B, 3516B, 385C FS, 6015B, 349E L, 345B, 621H, 385B, 385C, 349D L, 385C L, 657G, 340D2 L, 434F2, 390F, 345C, 6020B, 365B, 637K, 345C L, 349E L VG, 345D L, 6040, 637E, 621G, 352, 349E, 340D L, 345D, 315, 355, 320 GC, 323 GX, 320 GX, 326, 333, 330 GC, 320, 395, 312 GC, 323, 313 GX, 312 GX, 316 GX, 315 GC, 365C, 350MHPU, 323GC, 313D2, 336E LH, 336E H, 345 GC, 320D3 GC, 335, 330D2, 3101, 320C, 329D L, 315D L, 324D L, 336D2 L, 325D L, 315C, 318D2 L, 320D2 L, 336D L, 330 L, 312D2 L, 320D FM, 336F, 336 GC, 336F L, 336F LN, 312D2, 336E L, 312D L, 330C L, 320D L, 320E, 312C L, 326D L, 330D2 L, 323D2, 313F L, 323D L, 336E, 325D, 325B L, 312D, 323D2 L, 312E L, 329E, 320D2 GC, 320B, 312F, 313D2 GC, 329E L, 312C, 330D, 318D L, 312D2 GC, 324D, 325C, 311C, 336D2 XE, 325C L, 323D, 313F LGC, 320D3, 313D, 336F L XE, 335F LCR, 311D LRR, 312E, 320D GC, 313D2-GC, 330GC, 336D2 GC, 320D RR, 328D LCR, 350 L, 365B L, 330C, 637G, 326 GC, 336E LN, 320C L, 326GC, 318D2, 6015, 333 GC
- Skid Steer Loaders: 313D2 LGP, 232D, 246D, 236D, 24, 242D3, 289D3, 246D3, 262D, 249D3, 262C, 236D3, 262D3, 299D3 XE, 259D3, 246C, 272D3, 279C, 272D3 XE, 239D3
- Motor Graders: 16M, 14, 316F, 16, 140G, 140H, 120, 120H, 16M3, 18, 12H, 16H, 14M
- Wheel Excavators: MD6310, M315D2, IT14G, M317D2, MD6250, M320D2, MD6200, M315GC, M320, M315
- Dozers: D6N, D7G, D3G, D7R, D6R III, D7H, D4E, D8N, D9L, D6M, D6R II, D5M, D6R, D7E, D5G, D8L, D7R II, D9T, D8R, D6T, D9N, D6T LGP, D9R, D6G2 LGP, D4G, D8T, D7G2, D5H, D5N, D6R XL, D6G2 XL, D6G, D10, D11R, D10N, D11T, D10T, D10R, D11N, D10T2, D4, D8, D6R LGP
- Compact Track Loaders: 299D3, 279D3
- Mini Excavators: 307D, 307E2, 305.5, 306, 307C, 305.5E, 305.5E2, 307B, 308E2, 307
- Wheel Loaders: R1700K, 992C, 950, 834, 966F, 980, 910, 836, 950H, 938K, 962G, 950L, 966H, 988K, 972G, 980H, 924HZ, 972H, 950G, 980G, 988G, 988F, 986H, 992D, 988H, R1700 II, R1700G, M314, R2900G, R1700 XE, RM400, 928HZ, 972L, 990H, 962L, 924K, 966K, 966L, 928G, 924GZ, 980L
- Off-Highway Trucks: 773E, 796 AC, 773, 777, 777D, 797F, 789, 785, 773D, 725C2, 785D, 740B, 771D, 745C, 798 AC, 740, 735, 725, 777E, 773F, 793F, 794 AC, 730, 775G, 793D








