The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-00-768-0276, 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 L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 7 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-768-0276 |
| Primary Part Number | 86226 |
| Item Name | Ring Assembly,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| FSC Application Data | RADAR EQUIPMENT,EXCEPT FIRE CONTROL AND GUIDED MISSILES,NONAIRBORNE |
| Overall Diameter | 4.000 INCHES NOMINAL IN |
| Diameter | 4.000 INCHES NOMINAL IN |
| Surface Treatment | SILVER RING |
| Mounting Configuration | 2.959 IN. MAX DIA CENTERMTG HOLE W/0.189 IN. KEYWAY IN |
| Width | 0.125 INCHES NOMINAL IN |
| Contact Ring Quantity | 9 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 86226 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 5977-00-768-0276 is a Ring Assembly,electrical Contact, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-768-0276 has 1 manufacturer part number on file: 86226 (L3harris Technologies, Inc Div Space & Airborne Systems).
2 possible matches (shared part number, not a government interchangeability claim): 6515-01-163-1883, 5310-01-604-4590. Verify interchangeability with system specifications before substitution.
Key specifications for 86226: Overall Height: 1.041 INCHES NOMINAL IN; FSC Application Data: RADAR EQUIPMENT,EXCEPT FIRE CONTROL AND GUIDED MISSILES,NONAIRBORNE; Overall Diameter: 4.000 INCHES NOMINAL IN; Diameter: 4.000 INCHES NOMINAL IN. 7 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 5977-00-768-0276 has DEMIL Code B. 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.