The Insulation Blanket,thermal,aircr, cataloged under National Stock Number 1660-01-512-6586, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1660-01-512-6586 |
| Primary Part Number | 74A838500-1063 |
| Item Name | Insulation Blanket,thermal,aircr |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 74A838500-1063 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| 74A838500-1063 | 5/9 Secondary reference The Boeing Company Div Defense |
NSN 1660-01-512-6586 is a Insulation Blanket,thermal,aircr, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-512-6586 has 1 manufacturer part number on file: 74A838500-1063 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems).
Key specifications for 74A838500-1063: Criticality Code Justification: AGAV; Special Features: MADE FROM: (6)45-21294 CAPSTAN; (6) 45-21765 WASHER; (1) DP INSULATION 0.25X4.25X11.25 MIN-K MRS 16 PCF, COMML, PER 74A838500-2469; (1) SHEET AMS 5540 INCONEL 600 PER AMS 5540 FOIL 0.003X6.00X13.00 PER 74A-838500-2471 ; (1) SHEET AMS 5540 INCONEL FOIL PER 74A-838500-2473 A; Part Name Assigned by Controlling Agency: INSULATION COMPONENT-THERMAL ECS; End Item Identification: F-18 E/F. 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 1660-01-512-6586 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.