Secure Ordering: +1 (757) 528-8028

Worldwide distributor of NSN parts and consumables located in the USA.

Thermal Insulation Sleeving

Model / MPN: 34821 | NSN: 5640-01-118-4946
ITAR Registered seal

A rigid or flexible item composed of one or more materials, having uniform inside and outside diameters in the entire length. It may be furnished in segments or split-round or full-round sections, composed of one or more layers. It is specifically designed to cover pipe, tubing, and like surfaces, to restrict the transfer of heat from the high temperature surface to the low temperature surface. It may also include protective coatings, jackets, attaching cement, attaching bands, and/or accessories, (excluding prefabricated components used in aircraft applications). excludes insulation pipe covering, thermal, aircraft.

Product Details
NATO Stock Number
Sold in multiples of
Inside Diameter
26.000 inches
Unpackaged Unit Diameter
30.000 inches
Calcium silicate
Calcium silicate

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Email Address:
Phone Number:
Your name:
Privacy    Terms

Certified Quality Assurance  Quality check icon

  •   ISO 9001:2015 + AS9120B
  •   Counterfeit Parts Prevention
  •   100% Product Inspections
  •   7 Year Record Retention
  •   On Time Delivery
  •   HAZMAT Certified
  •   Worldwide Shipping
34821 Cross Reference
  • 8664-29