The Ring and Base,fan, cataloged under National Stock Number 1660-01-012-5725, 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 1 specification, 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 | 1660-01-012-5725 |
| Primary Part Number | 801103-1 |
| Item Name | Ring and Base,fan |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| General Characteristics Item Description | CRES 17-4PH,ROCKWELL C SCALE 28 TO 36,8.25 IN. NOM W,3.97 IN. MIN 4.03IN. MAX THK,MAGNETIC PARTICLE INSPECTED MIL-I-6868 IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 134SCEC136-13 | Northrop Grumman Systems Corporation (USA) |
| 801103-1 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
NSN 1660-01-012-5725 is a Ring and Base,fan, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-012-5725 has 2 manufacturer part numbers on file: 134SCEC136-13 (Northrop Grumman Systems Corporation), 801103-1 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 801103-1: General Characteristics Item Description: CRES 17-4PH,ROCKWELL C SCALE 28 TO 36,8.25 IN. NOM W,3.97 IN. MIN 4.03IN. MAX THK,MAGNETIC PARTICLE INSPECTED MIL-I-6868 IN. 1 specification is 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.
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.