The Blanket,heat,acf, cataloged under National Stock Number 1680-01-578-5889, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1680-01-578-5889 |
| Primary Part Number | 74A835789-2201 |
| Item Name | Blanket,heat,acf |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 74A835789-2201 PRIMARY | Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc (USA) |
| 74A835789-2201 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| 74A835789-2201 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A835789-2201 | The Boeing Company Div Services (USA) |
| Reference | Meaning |
|---|---|
| 74A835789-2201 | 5/9 Secondary reference Eci Defense Group, Inc. Dba Eci Defense Group Inc |
NSN 1680-01-578-5889 is a Blanket,heat,acf, manufactured by Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-578-5889 has 4 manufacturer part numbers on file: 74A835789-2201 (Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc), 74A835789-2201 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 74A835789-2201 (The Boeing Company Div Defense), 74A835789-2201 (The Boeing Company Div Services).
Key specifications for 74A835789-2201: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: BLANKET, HEATING, AIRCRAFT; End Item Identification: FIGHTER SUPPORT AIRCRAFT F/A-18. 1 specification is 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 1680-01-578-5889 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.