The Insulation Pipe Covering,thermal, cataloged under National Stock Number 1660-01-234-8657, 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. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1660-01-234-8657 |
| Primary Part Number | LD364-0003-0005 |
| 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 |
| 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 |
|---|---|
| LD364-00003-0005 | Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc (USA) |
| LD364-0003-0005 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| LD364-00003-0005 | 5/2 Secondary reference U.S. Government activity |
NSN 1660-01-234-8657 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 1660-01-234-8657 has 2 manufacturer part numbers on file: LD364-00003-0005 (Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc), LD364-0003-0005 (The Boeing Company Div Legacy Am&m).
Key specifications for LD364-0003-0005: Special Features: PHENOLIC;90.0 DEGREE TUBULAR ELBOW;2.000 IN.NOM INSIDE TUBE DIA;3.000 IN.NOM OUTSIDE TUBE DIA;4.500 IN.NOM OVERALL HEIGHT;4.500 IN.NOM OVERALL LENGTH; IN; End Item Identification: B-1B AIRCRAFT. 0 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.