The Insulation Blanket,thermal,aircr, cataloged under National Stock Number 1660-01-436-4630, 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.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1660-01-436-4630 |
| Primary Part Number | 3311786-25 |
| Item Name | Insulation Blanket,thermal,aircr |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Tighitco Inc. |
| Status | ACTIVE |
| Layer Environmental Protection | FIRE RESISTANT LOCATION NOT OTHERWISE SPECIFIED |
| Material | STEEL CORROSION RESISTING LAYER |
| 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 |
|---|---|
| 3311786-25 | Tighitco Inc. (USA) |
| 3311786-25 | Thermal Structures, Inc (USA) |
| Reference | Meaning |
|---|---|
| 3311786-25 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-01-436-4630 is a Insulation Blanket,thermal,aircr, manufactured by Tighitco Inc., classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-436-4630 has 2 manufacturer part numbers on file: 3311786-25 (Tighitco Inc.), 3311786-25 (Thermal Structures, Inc).
Key specifications for 3311786-25: Layer Environmental Protection: FIRE RESISTANT LOCATION NOT OTHERWISE SPECIFIED; Special Features: USED ON REFRIGERATOR INSULATION; Material: STEEL CORROSION RESISTING LAYER. 2 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.