The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-00-021-7198, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Aero International, Llc Dba Ams Engineered Solutions. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-021-7198 |
| Primary Part Number | 1293542-3 |
| Item Name | Ring Assembly,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Aero International, Llc Dba Ams Engineered Solutions |
| Status | ACTIVE |
| FSC Application Data | CONTROL VERTICAL GYRO |
| Overall Diameter | 0.187 INCHES NOMINAL IN |
| Diameter | 0.080 INCHES NOMINAL IN |
| Mounting Configuration | SHAFT |
| Width | 0.023 INCHES NOMINAL IN |
| Contact Ring Quantity | 3 |
| 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 |
|---|---|
| 1293542-3 PRIMARY | Aero International, Llc Dba Ams Engineered Solutions (USA) |
| 1293542-3 | Emcore Space & Navigation Corporation Div Space & Navigation (USA) |
| Reference | Meaning |
|---|---|
| 1293542-3 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
| 1293542-3 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems |
NSN 5977-00-021-7198 is a Ring Assembly,electrical Contact, manufactured by Aero International, Llc Dba Ams Engineered Solutions, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-021-7198 has 2 manufacturer part numbers on file: 1293542-3 (Aero International, Llc Dba Ams Engineered Solutions), 1293542-3 (Emcore Space & Navigation Corporation Div Space & Navigation).
Key specifications for 1293542-3: FSC Application Data: CONTROL VERTICAL GYRO; Overall Diameter: 0.187 INCHES NOMINAL IN; Diameter: 0.080 INCHES NOMINAL IN; Overall Length: 0.511 INCHES NOMINAL IN. 6 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.