The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-340-5189, 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 Northrop Grumman Corp Electronic Systems Defensive System Div. Government technical data includes 2 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 | 1660-01-340-5189 |
| Primary Part Number | 830101-001 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Northrop Grumman Corp Electronic Systems Defensive System Div |
| Status | ACTIVE |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 830101-001 PRIMARY | Northrop Grumman Corp Electronic Systems Defensive System Div (USA) |
NSN 1660-01-340-5189 is a Duct Assembly,air Conditioning-H, manufactured by Northrop Grumman Corp Electronic Systems Defensive System Div, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-340-5189 has 1 manufacturer part number on file: 830101-001 (Northrop Grumman Corp Electronic Systems Defensive System Div).
Key specifications for 830101-001: Overall Length: 12.500 INCHES NOMINAL IN; Overall Width: 4.015 INCHES MINIMUM AND 4.050 INCHES MAXIMUM IN; Special Features: 125 MICROINCH SURFACES; Surface Treatment: ANODIZE. 2 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 1660-01-340-5189 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.