The Insulation Pipe Covering,thermal, cataloged under National Stock Number 1660-01-653-0697, 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 Transdigm Inc Div Adelwiggins Group. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Insulation Pipe Covering,thermal |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | Transdigm Inc Div Adelwiggins Group (CAGE 79326) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-653-0697 |
| Primary Part Number | HBJ115A |
| Item Name | Insulation Pipe Covering,thermal |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Transdigm Inc Div Adelwiggins Group |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | V |
| Part Number | Manufacturer |
|---|---|
| HBJ115A PRIMARY | Transdigm Inc Div Adelwiggins Group (USA) |
NSN 1660-01-653-0697 is a Insulation Pipe Covering,thermal, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-653-0697 has 1 manufacturer part number on file: HBJ115A (Transdigm Inc Div Adelwiggins Group).
1 possible match (shared part number, not a government interchangeability claim): 1660-01-669-4674. Verify interchangeability with system specifications before substitution.
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.