The Ring,electrical Contact, cataloged under National Stock Number 5977-01-145-2646, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5977-01-145-2646 |
| Item Name | Ring,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2800007-1 | C/1 Advisory reference — outside the item-of-supply concept Leonardo Uk Ltd |
| 2800007-1 | 3/9 Design control — primary reference Bae Systems Information & Electronic Systems Integration Inc. |
| 280007-1 | 5/9 Secondary reference Bae Systems (operations) Limited |
| 2800007-1 | 5/9 Secondary reference Bae Systems Integrated Defense Solutions Inc. |
| 2800007-1 | 5/9 Secondary reference Leonardo Mw Ltd |
| 2800007-1 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems |
NSN 5977-01-145-2646 is a Ring,electrical Contact, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4520-01-255-7812. Verify interchangeability with system specifications before substitution.
Key specifications for 5977-01-145-2646: End Item Identification: AIRCRAFT MODEL F-18. 0 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.