The Insulation Pipe Covering,thermal, cataloged under National Stock Number 1660-00-285-7635, 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 Tighitco Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-285-7635 |
| Primary Part Number | 12H26595-118 |
| Item Name | Insulation Pipe Covering,thermal |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Tighitco Inc. |
| 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 |
|---|---|
| 12H26595-118 PRIMARY | Tighitco Inc. (USA) |
| Reference | Meaning |
|---|---|
| 741465-118 | 7/2 Vendor item drawing reference H-B Instrument Co |
| 741465-118 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 1660-00-285-7635 is a Insulation Pipe Covering,thermal, manufactured by Tighitco Inc., classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-285-7635 has 1 manufacturer part number on file: 12H26595-118 (Tighitco Inc.).
Key specifications for 12H26595-118: Special Features: 21.000 IN.LG,2.000 IN.ID; IN; End Item Identification: AIRCRAFT MODEL S-3A A. 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.