The Insulation Blanket,thermal,aircr, cataloged under National Stock Number 1660-01-573-7457, 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. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1660-01-573-7457 |
| Primary Part Number | 123AB40367-653 |
| Item Name | Insulation Blanket,thermal,aircr |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Maximum Thermal Conductivity | NOT RATED |
| 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 |
|---|---|
| 123AB40367-653 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123AB40367-653 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 1660-01-573-7457 is a Insulation Blanket,thermal,aircr, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-573-7457 has 1 manufacturer part number on file: 123AB40367-653 (Northrop Grumman Systems Corporation).
Key specifications for 123AB40367-653: Maximum Thermal Conductivity: NOT RATED; Special Features: NONPOROUS VINYL CLOTH HEADLINER PER SPEC MIL-C-7514 TYPE II 7 AND ONE HALF OUNCES PLUS OR MINUS ONE OUNCE PER SQUARE YARD;FLAME PROOF AND PERFORATED .057 DIAMETER BY THIRTEEN THIRTY SEVENTHS DIAGONAL SPACING,COLOR DARK GRAY; Part Name Assigned by Controlling Agency: BLANKET ASSEMBLY; End Item Identification: C2A. 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.
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.