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Bard 5451-029BX - Nylon sleeve spacer

Bard part 5451-029BX is an OEM nylon sleeve used as a small isolation and wear surface in Bard wall mounted HVAC equipment where a shaft, rod, or fastener needs a precise, low friction spacer. With a 0.257 inch inside diameter and 0.5 inch length, this sleeve helps reduce vibration transfer, prevents metal to metal contact, and protects nearby components from rub through during normal operation and service. For best results, match the ID and length to the original sleeve in your unit and confirm the exact placement using your Bard parts list for the specific model and serial range before ordering.


  • Technical Specifications
  • Product number: 5451-029BX
  • Manufacturer description: Nylon Sleeve - .257"I.D. X .5"Long
  • Weight: 0.100 lbs
  • HTS Code: "8415.90.8085"

  • Previous Versions
  • 5451-029 (Obsolete, superseded by 5451-029BX)

$12.00 *

* Orders less than $50 may incure a minimum order fee.

What does the "BX" suffix mean?

Bard uses suffixes like "BX" to manage parts internally. These do not change the physical form or function of the part.

A part number ending in "BX" simply means it is packaged in a box for shipping, rather than for internal assembly use.

Example: 8406-142BX is physically identical to 8406-142.