The Insulation Pipe Covering,thermal, cataloged under National Stock Number 1660-01-296-0630, 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 The Boeing Company Div Defense. Government technical data includes 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-296-0630 |
| Primary Part Number | 74A501313-1005 |
| Item Name | Insulation Pipe Covering,thermal |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fitting Type Accommodated | UNION |
| Fabrication Method | COMPRESSED |
| Flammability Rating | 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 |
|---|---|
| 74A501313-1005 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10106260 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A501313-1005 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 74A501313-1005 | 5/9 Secondary reference Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc |
| 74A501313-1005 | 5/9 Secondary reference Northrop Industries |
NSN 1660-01-296-0630 is a Insulation Pipe Covering,thermal, manufactured by The Boeing Company Div Defense, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-296-0630 has 1 manufacturer part number on file: 74A501313-1005 (The Boeing Company Div Defense).
Key specifications for 74A501313-1005: Fitting Type Accommodated: UNION; Fabrication Method: COMPRESSED; Flammability Rating: NOT RATED. 3 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.