The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-01-192-2791, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-01-192-2791 |
| Item Name | Ring Assembly,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Nuclear Hardness Critical Feature | HARDENED |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SOURCE CONTROL REPAIR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | H |
| Reference | Meaning |
|---|---|
| 377-10804-1 | 1/3 Source control — Government-approved source U.S. Government activity |
| 65743 | 3/3 Design control — primary reference U.S. Government activity |
NSN 5977-01-192-2791 is a Ring Assembly,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5136-01-727-3517. Verify interchangeability with system specifications before substitution.
Key specifications for 5977-01-192-2791: Overall Length: 7.240 INCHES NOMINAL IN; Special Features: CRITICAL APPLICATION; End Item Identification: B-52G/H PACER GYM G; Nuclear Hardness Critical Feature: HARDENED. 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 5977-01-192-2791 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.