The Insulation Pipe Covering,thermal, cataloged under National Stock Number 1660-01-210-6775, 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 Dutch Valley Supply Co.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Insulation Pipe Covering,thermal |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | Dutch Valley Supply Co. (CAGE 31068); Tighitco Inc. (CAGE 22013) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-210-6775 |
| Primary Part Number | 5904306 |
| Item Name | Insulation Pipe Covering,thermal |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Dutch Valley Supply Co. |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| 5904306 | Dutch Valley Supply Co. (USA) |
| 5904306 | Tighitco Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5904306 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
| 5904306 | 3/2 Design control — primary reference U.S. Government activity |
| 5904306 | 5/9 Secondary reference Meggitt North Hollywood Inc |
NSN 1660-01-210-6775 is a Insulation Pipe Covering,thermal, manufactured by Dutch Valley Supply Co., classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-210-6775 has 2 manufacturer part numbers on file: 5904306 (Dutch Valley Supply Co.), 5904306 (Tighitco 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 1660-01-210-6775 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.