The Insulation Pipe Covering,thermal, cataloged under National Stock Number 1660-01-254-3737, 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 Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Insulation Pipe Covering,thermal |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc (CAGE 25167) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-254-3737 |
| Primary Part Number | 65M1005-103 |
| Item Name | Insulation Pipe Covering,thermal |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 65M1005-103 PRIMARY | Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc (USA) |
| Reference | Meaning |
|---|---|
| 10106254 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 65M1005-103 | 5/1 Secondary reference Eci Defense Group, Inc. Dba Eci Defense Group Inc |
| 17H28150-101 | 5/9 Secondary reference Tighitco Inc. |
NSN 1660-01-254-3737 is a Insulation Pipe Covering,thermal, manufactured by Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-254-3737 has 1 manufacturer part number on file: 65M1005-103 (Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc).
1 possible match (shared part number, not a government interchangeability claim): 1660-01-545-2351. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1660-01-254-3737 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.