The Brush,electrical Contact, cataloged under National Stock Number 5977-00-214-0628, 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 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-214-0628 |
| Primary Part Number | MAY12A |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Prestolite Electric Inc |
| Status | ACTIVE |
| Outer Edge to Slot Edge Distance | 0.312 INCHES NOMINAL IN |
| Length | 0.513 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Top Style | FLAT WITH RECTANGULAR SLOT |
| Shunt Position Designator | 10 |
| Style Designator | ONE PIECE |
| Material Document and Classification | ELECTRIC AUTO LIFE CO,GR 9A MFR REF SINGLE MATERIAL RESPONSE A |
| Brush Shunt Length | 3.125 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | FLAT |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Slot Depth | 0.040 INCHES NOMINAL IN |
| Width | 0.875 INCHES NOMINAL IN |
| Material | METAL GRAPHITE |
| Slot Width | 0.250 INCHES NOMINAL IN |
| Thickness | 0.211 INCHES NOMINAL IN |
| 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 |
|---|---|
| MAY12A PRIMARY | Prestolite Electric Inc (USA) |
| Reference | Meaning |
|---|---|
| ANSI/NEMA PUB NO. CB1 | 5/9 Secondary reference U.S. Government activity |
| MAY12A | 5/9 Secondary reference Prestolite Electric Inc |
NSN 5977-00-214-0628 is a Brush,electrical Contact, manufactured by Prestolite Electric Inc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-214-0628 has 1 manufacturer part number on file: MAY12A (Prestolite Electric Inc).
Key specifications for MAY12A: Outer Edge to Slot Edge Distance: 0.312 INCHES NOMINAL IN; Length: 0.513 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Top Style: FLAT WITH RECTANGULAR SLOT. 15 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.