The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-583-2109, 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 Hbd Industries, Inc Div Hbd/thermoid Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-583-2109 |
| Primary Part Number | SCEET-11 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Hbd Industries, Inc Div Hbd/thermoid Inc |
| Status | ACTIVE |
| Aircraft Location | AIR DUCT |
| Material | GLASS FIBER AND RUBBER SYNTHETIC |
| Aircraft Mission Design Series | DEFENDER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SCEET-11 PRIMARY | Hbd Industries, Inc Div Hbd/thermoid Inc (USA) |
NSN 1660-01-583-2109 is a Duct Assembly,air Conditioning-H, manufactured by Hbd Industries, Inc Div Hbd/thermoid Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-583-2109 has 1 manufacturer part number on file: SCEET-11 (Hbd Industries, Inc Div Hbd/thermoid Inc).
Key specifications for SCEET-11: Overall Length: 132.000 INCHES NOMINAL IN; Special Features: AVIATION DUCTING;INSIDE DIAMETER 2.75INCHES;COLOR-RED;PRODUCT CODE 8901-01104;STANDARD LENGTH 11FEET;INSIDE BEND RADIUS 0.75 TO 1.06INCHES;MINIMUM BURST PRESSURE 148 PSIG;CRUSH RESISTANCE-POUNDS PER FOOT-340;OPERATING TEMP RANGE -80DEG F TO +550DEG F;SUPPORT-COPPER-COATED OR BRONZE-PLATED SPRING-STEEL-WIRE HELIX BONDED BETWEEN THE LINER AND COVER MATERIAL;LINER AND THE COVER ARE FIBERGLASS FABRIC IMPREGNATED AND COATED WITH SILICONE RUBBER COMPOUNDS;CORD IS FIBERGLASS COATED WITH SILICONE IN; Aircraft Location: AIR DUCT; Part Name Assigned by Controlling Agency: AVIATION SCEET DUCTING. 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.
NSN 1660-01-583-2109 has DEMIL Code B. 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.