The Insulation Pipe Covering,thermal, cataloged under National Stock Number 1660-01-119-0744, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1660-01-119-0744 |
| Primary Part Number | 74A501306-1004 |
| Item Name | Insulation Pipe Covering,thermal |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc |
| Status | ACTIVE |
| Unpackaged Unit Width | 4.93 INCHES NOMINAL IN |
| 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 |
|---|---|
| 74A501306-1004 | The Boeing Company Div Defense (USA) |
| 74A501306-1004 PRIMARY | Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc (USA) |
| 74A501306-1004 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| 74A501306-1004 | The Boeing Company Div Services (USA) |
| Reference | Meaning |
|---|---|
| 10130494 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 1660-01-119-0744 is a Insulation Pipe Covering,thermal, manufactured by Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-119-0744 has 4 manufacturer part numbers on file: 74A501306-1004 (The Boeing Company Div Defense), 74A501306-1004 (Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc), 74A501306-1004 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 74A501306-1004 (The Boeing Company Div Services).
Key specifications for 74A501306-1004: Unpackaged Unit Width: 4.93 INCHES NOMINAL IN; Special Features: FINISH SPEC: 74A901001; Part Name Assigned by Controlling Agency: INSULATION, WYE DUCT-ENGINE BLEED AIR; End Item Identification: AIRCRAFT MODEL F-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.
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.