Replacement Manufacturer Part Number: STIHL 0000 955 0804 quality chainsaw bar nuts designed to securely fasten the guide bar to the powerhead. Manufactured from grade metals for strength, durability, and long service life. Ideal as a direct replacement for lost, worn, or damaged bar nuts on a wide range of STIHL chainsaw models. Key Features and Benefits: Strong and durable construction using quality metal for reliable performance Precision fit for consistent tightening and secure bar attachment Suitable for both 14inch and 20inch bar sizes Easy installation with standard tools, no modifications required Compatibility: Fits STIHL MS series chainsaws including MS170, MS170C, MS171, MS180, MS181, MS192T, MS200, MS200T, MS210, MS211, MS230, MS231, MS240, MS250, MS251, MS260, MS270, MS280, MS290, MS291 Fits STIHL MS310, MS311, MS340, MS360, MS360C, MS361, MS362, MS390, MS391, MS440, MS441, MS460, MS461, MS640, MS650, MS660 Fits STIHL 010, 011, 012, 017, 018, 020, 020T, 021, 023, 023L, 024, 025, 026, 028, 029, 030, 031, 032, 034, 036, 038, 039, 041AV, 042, 044, 046, 048, 064, 066 Practical Applications: 1. Replacement during routine maintenance to ensure consistent bar stability and prevent chain misalignment. 2. Quick fix for field repairs when a bar nut is lost or damaged during cutting operations. 3. Ideal for professional arborists, landscapers, and property owners who need dependable hardware for frequent chainsaw use. This replacement bar nut set offers a combination of fit, strength, and ease of use, engineered to meet STIHL specifications for maximum compatibility and reliability.