624-20

View detailed technical data, stock status, and sourcing information for: 624-20
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Federal Supply Group

Construction and Building Materials

Federal Supply Classification

5640 Thermal Insulation Materials, Building Paper and Wallboard

National Stock Number

5640-00-054-7081

Item Name Code

13289

Assigment Date

01/01/1961 (65 years ago)

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.

fire retardant outer covering environmental protection, 0.109 inches minimum and 0.141 inches maximum insulation thickness, not rated flammability rating, braided fabrication method, 1 layer quantity

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Layer Quantity: 1
Fabrication Method: braided
Flammability Rating: not rated
Outer Covering Environmental Protection: fire retardant
Insulation Thickness: 0.109 inches minimum and 0.141 inches maximum
Inside Diameter: 1.250 inches minimum and 1.310 inches maximum
Design Form: full round
Temp Rating: 1076.0 celsius maximum
Flexibility: flexible
Material: asbestos location not otherwise specified
Surface Treatment: rubber synthetic or rubber polyisoprene natural class nr location not otherwise specified

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
10194128	Thermal Insulation Sleeving
3302690	Thermal Insulation Sleeving
624-20	Thermal Insulation Sleeving

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5640-00-054-7081?

The FSCG of the NSN 5640-00-054-7081 is 5640

Does NSN 5640-00-054-7081 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5640-00-054-7081 contain precious materials?

Item does not contain precious metal.

Does NSN 5640-00-054-7081 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5640-00-054-7081 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961