The Heater Assembly,electric, cataloged under National Stock Number 1660-01-313-0146, 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 Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-313-0146 |
| Primary Part Number | 195870-4-1 |
| Item Name | Heater Assembly,electric |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| General Characteristics Item Description | 8.330 IN. O/A W; 15.270 IN. O/A L; 19.820 IN. O/A H IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 123SCEC5163-1 | Northrop Grumman Systems Corporation (USA) |
| 195870-4-1 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
NSN 1660-01-313-0146 is a Heater Assembly,electric, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-313-0146 has 2 manufacturer part numbers on file: 123SCEC5163-1 (Northrop Grumman Systems Corporation), 195870-4-1 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 195870-4-1: General Characteristics Item Description: 8.330 IN. O/A W; 15.270 IN. O/A L; 19.820 IN. O/A H IN; End Item Identification: E-2C ACFT; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO.. 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 1660-01-313-0146 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.