The Insulation Sleeving,thermal, cataloged under National Stock Number 5640-01-307-4726, is classified within Federal Supply Class 5640 (No Item Name Available) of the Construction and Building Materials group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 9 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5640-01-307-4726 |
| Primary Part Number | MIL-I-24703 FMT |
| Item Name | Insulation Sleeving,thermal |
| FSC / FSG | 5640 / 56 — No Item Name Available |
| Manufacturer | General Services Administration Federal Supply Service |
| Status | ACTIVE |
| Length | 72.000 INCHES NOMINAL IN |
| Inside Diameter | 1.125 INCHES NOMINAL IN |
| Layer Quantity | 1 |
| Fabrication Method | EXPANDED |
| Material | POLYPHOSPHAZENE FOAM LOCATION NOT OTHERWISE SPECIFIED |
| Nondefinitive Spec/std Data | T FORM |
| Insulation Thickness | 0.500 INCHES NOMINAL IN |
| Design Form | FULL ROUND |
| Flexibility | FLEXIBLE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-I-24703 FMT | General Services Administration Federal Supply Service (USA) |
| MIL-I-24703 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 6148 | Ethyl Corp Commercial Development Div (USA) |
NSN 5640-01-307-4726 is a Insulation Sleeving,thermal, manufactured by General Services Administration Federal Supply Service, classified under FSC 5640 (No Item Name Available). Status: active.
NSN 5640-01-307-4726 has 3 cross-referenced part numbers: MIL-I-24703 FMT (General Services Administration Federal Supply Service), MIL-I-24703 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 6148 (Ethyl Corp Commercial Development Div).
There are 12 known substitutes for 5640-01-307-4726: 4820-00-142-5297, 5940-00-296-6148, 5915-00-728-5983 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-I-24703 FMT: Length: 72.000 INCHES NOMINAL IN; Inside Diameter: 1.125 INCHES NOMINAL IN; Special Features: CONTAINS NO HALOGEN; CLOSED CELL;OIL RESISTANT; LOW WATER VAPOR PERMEABILITY; EXCELLENT THERMAL INSULATION; NO SEPARATE MOISTURE BARRIER NEEDED; Layer Quantity: 1. 10 total characteristics are documented in the Federal Logistics Information System.