The Insulation Sleeving,thermal, cataloged under National Stock Number 5640-01-304-4030, is classified within Federal Supply Class 5640 (No Item Name Available) of the Construction and Building Materials group. The primary manufacturer of record is Ethyl Corp Commercial Development Div. 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 | 5640-01-304-4030 |
| Primary Part Number | 6157 |
| Item Name | Insulation Sleeving,thermal |
| FSC / FSG | 5640 / 56 — No Item Name Available |
| Manufacturer | Ethyl Corp Commercial Development Div |
| Status | ACTIVE |
| Fabrication Method | EXPANDED |
| Design Form | FULL ROUND |
| Inside Diameter | 2.625 INCHES NOMINAL IN |
| Flexibility | FLEXIBLE |
| Nondefinitive Spec/std Data | T FORM |
| Material | POLYPHOSPHAZENE FOAM LOCATION NOT OTHERWISE SPECIFIED |
| Layer Quantity | 1 |
| Length | 72.000 INCHES NOMINAL IN |
| Insulation Thickness | 0.750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6157 | Ethyl Corp Commercial Development Div (USA) |
| MIL-I-24703 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-I-24703 FMT | General Services Administration Federal Supply Service (USA) |
NSN 5640-01-304-4030 is a Insulation Sleeving,thermal, manufactured by Ethyl Corp Commercial Development Div, classified under FSC 5640 (No Item Name Available). Status: active.
NSN 5640-01-304-4030 has 3 cross-referenced part numbers: 6157 (Ethyl Corp Commercial Development Div), MIL-I-24703 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-I-24703 FMT (General Services Administration Federal Supply Service).
There are 12 known substitutes for 5640-01-304-4030: 5360-00-360-8018, 5330-00-641-2169, 3120-00-662-8383 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6157: Fabrication Method: EXPANDED; Design Form: FULL ROUND; Inside Diameter: 2.625 INCHES NOMINAL IN; Flexibility: FLEXIBLE. 10 total characteristics are documented in the Federal Logistics Information System.