The Insulation Blanket,thermal,wing, cataloged under National Stock Number 4920-01-171-0780, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Thermal Structures, Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-171-0780 |
| Primary Part Number | 11-8500024-12 |
| Item Name | Insulation Blanket,thermal,wing |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Thermal Structures, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL: GLASS FIBER (JOHNS-MANVILLE MICROLITE),1.000 IN. THK; BLANKET IS SHAPED TO PROVIDE A GLOVE-LIKE FIT AND CONTAINS ACCESS DOORS IN |
| Functional Description | USED TO ASSIST IN THE INSTALLATION AND REMOVAL OF THE WING PIVOT PIN |
| 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 |
|---|---|
| 11-8500024-12 PRIMARY | Thermal Structures, Inc (USA) |
| Reference | Meaning |
|---|---|
| R-TBD-716 | 5/9 Secondary reference The Boeing Company Div Legacy Am&m |
| 11A53000-001 | 5/9 Secondary reference The Boeing Company Div Legacy Am&m |
| 11-8500 24-1&-2 | 5/9 Secondary reference Thermal Structures, Inc |
NSN 4920-01-171-0780 is a Insulation Blanket,thermal,wing, manufactured by Thermal Structures, Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-171-0780 has 1 manufacturer part number on file: 11-8500024-12 (Thermal Structures, Inc).
Key specifications for 11-8500024-12: General Characteristics Item Description: MATERIAL: GLASS FIBER (JOHNS-MANVILLE MICROLITE),1.000 IN. THK; BLANKET IS SHAPED TO PROVIDE A GLOVE-LIKE FIT AND CONTAINS ACCESS DOORS IN; Functional Description: USED TO ASSIST IN THE INSTALLATION AND REMOVAL OF THE WING PIVOT PIN; End Item Identification: B-1B ACFT AGE.. 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.