The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-00-642-5035, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-642-5035 |
| Item Name | Ring Assembly,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Brush Quantity | 19 |
| Brush Holder Quantity | 2 |
| Overall Diameter | 14.000 INCHES NOMINAL IN |
| Diameter | 8.250 INCHES MINIMUM OR 9.500 INCHES MAXIMUM IN |
| Brush Quantity Accommodated Per Holder | 19 |
| Mounting Configuration | EIGHT 1/4IN. -20 THD HELICOIL INSERTS EQUALLY SPACED ON 13.000 IN. DIA BOLT CIRCLE IN |
| Width | 0.062 INCHES NOMINAL IN |
| Contact Ring Quantity | 10 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MX1401UQS | 3/2 Design control — primary reference U.S. Government activity |
NSN 5977-00-642-5035 is a Ring Assembly,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
Key specifications for 5977-00-642-5035: Brush Quantity: 19; Brush Holder Quantity: 2; Overall Diameter: 14.000 INCHES NOMINAL IN; Diameter: 8.250 INCHES MINIMUM OR 9.500 INCHES MAXIMUM IN. 8 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 5977-00-642-5035 has DEMIL Code D. 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.