The Insulation Pipe Covering,thermal, cataloged under National Stock Number 1660-01-356-6477, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-356-6477 |
| Primary Part Number | LD364-0002-2011 |
| Item Name | Insulation Pipe Covering,thermal |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Material Density | 3.0 POUNDS PER CUBIC FOOT NOMINAL LBS |
| Fitting Type Accommodated | UNION |
| Insulation Thickness | 0.500 INCHES NOMINAL IN |
| Layer Quantity | 1 |
| Material | PLASTIC POLYURETHANE LOCATION NOT OTHERWISE SPECIFIED |
| Material | ALUMINUM JACKET |
| Fabrication Method | MOLDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| LD364-0002-2011 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| LD364-0002-2011 | 5/9 Secondary reference Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc |
NSN 1660-01-356-6477 is a Insulation Pipe Covering,thermal, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-356-6477 has 1 manufacturer part number on file: LD364-0002-2011 (The Boeing Company Div Legacy Am&m).
Key specifications for LD364-0002-2011: Material Density: 3.0 POUNDS PER CUBIC FOOT NOMINAL LBS; Fitting Type Accommodated: UNION; Insulation Thickness: 0.500 INCHES NOMINAL IN; Layer Quantity: 1. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.