The Ring,electrical Contact Brush Ho, cataloged under National Stock Number 5977-00-296-5064, 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 Prestolite Electric Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5977-00-296-5064 |
| Primary Part Number | 35981 |
| Item Name | Ring,electrical Contact Brush Ho |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Prestolite Electric Inc |
| Status | ACTIVE |
| Overall Diameter | 4.375 INCHES NOMINAL IN |
| Overall Thickness | 0.500 INCHES NOMINAL IN |
| Shape | CYLINDRICAL |
| Mounting Configuration | TWO 0.180 IN. DIA MTG HOLES SPACED 180 DEGREES APART ON A 3-7/8 IN. DIA BOLT CIRCLE IN |
| Material | PLASTIC |
| Usage Design | USED TO RETAIN BRUSH HOLDERS |
| 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 |
|---|---|
| 35981 PRIMARY | Prestolite Electric Inc (USA) |
| Reference | Meaning |
|---|---|
| 35981 | 5/9 Secondary reference Prestolite Electric Inc |
NSN 5977-00-296-5064 is a Ring,electrical Contact Brush Ho, manufactured by Prestolite Electric Inc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-296-5064 has 1 manufacturer part number on file: 35981 (Prestolite Electric Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5977-00-825-1813, 4710-01-181-0809. Verify interchangeability with system specifications before substitution.
Key specifications for 35981: Overall Diameter: 4.375 INCHES NOMINAL IN; Overall Thickness: 0.500 INCHES NOMINAL IN; Shape: CYLINDRICAL; Mounting Configuration: TWO 0.180 IN. DIA MTG HOLES SPACED 180 DEGREES APART ON A 3-7/8 IN. DIA BOLT CIRCLE 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.