The Insulation Felt,thermal, cataloged under National Stock Number 5640-00-242-6034, is classified within Federal Supply Class 5640 (No Item Name Available) of the Construction and Building Materials group. The primary manufacturer of record is American Society for Testing and Materials Dba Astm International. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5640-00-242-6034 |
| Primary Part Number | ASTM C612 |
| Item Name | Insulation Felt,thermal |
| FSC / FSG | 5640 / 56 — No Item Name Available |
| Manufacturer | American Society for Testing and Materials Dba Astm International |
| Status | ACTIVE |
| Thread Bound Construction Feature | NOT INCLUDED |
| Environmental Attribute Code | COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - BUILDING INSULATION PRODUCTS |
| Width | 24.000 INCHES NOMINAL IN |
| Length | 48.000 INCHES NOMINAL IN |
| Thickness | 2.000 INCHES NOMINAL IN |
| Material | GLASS FIBER LOCATION NOT OTHERWISE SPECIFIED |
| Nondefinitive Spec/std Data | 3 CLASS |
| Maximum Thermal Conductivity | 0.42 AT 300 DEG F DEGF |
| Resin Treatment | NOT INCLUDED |
| Interwoven Construction Feature | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ASTM C612 | American Society for Testing and Materials Dba Astm International (USA) |
| MIL-I-15475 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| ASTM C612 CL3 | General Services Administration Federal Supply Service (USA) |
NSN 5640-00-242-6034 is a Insulation Felt,thermal, manufactured by American Society for Testing and Materials Dba Astm International, classified under FSC 5640 (No Item Name Available). Status: active.
NSN 5640-00-242-6034 has 3 cross-referenced part numbers: ASTM C612 (American Society for Testing and Materials Dba Astm International), MIL-I-15475 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ASTM C612 CL3 (General Services Administration Federal Supply Service).
There are 5 known substitutes for 5640-00-242-6034: 5640-00-079-3360, 5640-00-242-6032, 5640-00-267-6768 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for ASTM C612: Thread Bound Construction Feature: NOT INCLUDED; Environmental Attribute Code: COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - BUILDING INSULATION PRODUCTS; Width: 24.000 INCHES NOMINAL IN; Length: 48.000 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.