The Blanket,insulation, cataloged under National Stock Number 1660-00-791-4191, 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 Johns Manville Intl. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1660-00-791-4191 |
| Primary Part Number | AC22-109-6 |
| Item Name | Blanket,insulation |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Johns Manville Intl |
| Status | ACTIVE |
| FSC Application Data | ACFT CABIN AND PRESSURIZATION SUIT REFRIGERATION |
| General Characteristics Item Description | METAL INCASED, FORMED AROUND ITEM |
| Reference Data and Literature | T.O. 1F-4C-4-3 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AC22-109-6 | Johns Manville Intl (USA) |
| Reference | Meaning |
|---|---|
| AC22-109-6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-00-791-4191 is a Blanket,insulation, manufactured by Johns Manville Intl, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-791-4191 has 1 manufacturer part number on file: AC22-109-6 (Johns Manville Intl).
Key specifications for AC22-109-6: FSC Application Data: ACFT CABIN AND PRESSURIZATION SUIT REFRIGERATION; General Characteristics Item Description: METAL INCASED, FORMED AROUND ITEM; Reference Data and Literature: T.O. 1F-4C-4-3; End Item Identification: F-4 AIRCRAFT. 3 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.
NSN 1660-00-791-4191 has DEMIL Code B. 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.