The Heat Exchanger,machined, cataloged under National Stock Number 1660-01-646-5966, 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 Ametek Thermal Systems Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Heat Exchanger,machined |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | Ametek Thermal Systems Inc (CAGE 12536) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-646-5966 |
| Primary Part Number | 63862-000 |
| Item Name | Heat Exchanger,machined |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Ametek Thermal Systems Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 63862-000 PRIMARY | Ametek Thermal Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 63862-050 | 3/9 Design control — primary reference Ametek Thermal Systems Inc |
| 901-342-503-109 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 1660-01-646-5966 is a Heat Exchanger,machined, manufactured by Ametek Thermal Systems Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-646-5966 has 1 manufacturer part number on file: 63862-000 (Ametek Thermal Systems Inc).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1660-01-646-5966 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.