The Insulation Blanket,thermal,aircr, cataloged under National Stock Number 1660-01-573-7486, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1660-01-573-7486 |
| Primary Part Number | 123AB40358-605 |
| 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 |
|---|---|
| 123AB40358-605 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123AB40358-605 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 1660-01-573-7486 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 1660-01-573-7486 has 1 manufacturer part number on file: 123AB40358-605 (Northrop Grumman Systems Corporation).
Key specifications for 123AB40358-605: Maximum Thermal Conductivity: NOT RATED; Special Features: MATERIAL FOR 11,19 AND 27 IS NONPOROUS VINYL CLOTH EADLINER PER MIL-C-7514 TYPE II WEIGHT SEVEN AND ONE HALF OUNCES PLUS OR MINUS ONE OUNCE PER SQUARE YARD;COLOR DARK DULL GRAY PER FED STD 595;COMMERCAIL PARTS MEET THE INTENT OD MIL STD 143; 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.