The Diaphragm Assembly, cataloged under National Stock Number 6615-01-007-9878, is classified within Federal Supply Class 6615 (Automatic Pilot Mechanisms and Airborne Gyro Components) of the Instruments and Laboratory Equipment group. The manufacturer of record is Honeywell Intl Inc Defense Avionics Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6615-01-007-9878 |
| Primary Part Number | 1998442-2 |
| Item Name | Diaphragm Assembly |
| FSC / FSG | 6615 / 66 — Automatic Pilot Mechanisms and Airborne Gyro Components |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| FSC Application Data | CONTROL,AUTOMATIC PILOT |
| General Characteristics Item Description | RING 1,DIAPHRAGM 1,HUB 1 |
| 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 |
|---|---|
| 1998442-2 PRIMARY | Honeywell Intl Inc Defense Avionics Systems (USA) |
| Reference | Meaning |
|---|---|
| 1998442-2 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
NSN 6615-01-007-9878 is a Diaphragm Assembly, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 6615, Automatic Pilot Mechanisms and Airborne Gyro Components. Status: active.
NSN 6615-01-007-9878 has 1 manufacturer part number on file: 1998442-2 (Honeywell Intl Inc Defense Avionics Systems).
Key specifications for 1998442-2: FSC Application Data: CONTROL,AUTOMATIC PILOT; General Characteristics Item Description: RING 1,DIAPHRAGM 1,HUB 1; End Item Identification: 66150084063,ACTUATOR,C-5A A. 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.
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.