The Brush,electrical Contact, cataloged under National Stock Number 5977-00-250-9339, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5977-00-250-9339 |
| Primary Part Number | G010027530 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Prestolite Electric Inc |
| Status | ACTIVE |
| Length | 0.813 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 1.125 INCHES NOMINAL IN |
| Terminal Hole Diameter | 0.175 INCHES NOMINAL IN |
| Top Style | FLAT WITH RIGHT EDGE BEVELED |
| Shunt Position Designator | 8 |
| Style Designator | ONE PIECE |
| Material Document and Classification | SUPERIOR CARBON PRODUCTS INC,GR 323 MFR REF SINGLE MATERIAL RESPONSE |
| Brush Shunt Length | 1.750 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 1 INSULATED |
| Width | 0.750 INCHES NOMINAL IN |
| Material | GRAPHITE |
| Terminal Type and Quantity | 1 STRAIGHT W/HOLE |
| Thickness | 0.375 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 |
|---|---|
| G010027530 PRIMARY | Prestolite Electric Inc (USA) |
| 27530 | Prestolite Electric Inc (USA) |
| Reference | Meaning |
|---|---|
| 27530 | 5/9 Secondary reference Prestolite Electric Inc |
| ANSI/NEMA PUB NO. CB1 | 5/9 Secondary reference U.S. Government activity |
| G010027530 | 5/9 Secondary reference Prestolite Electric Inc |
NSN 5977-00-250-9339 is a Brush,electrical Contact, manufactured by Prestolite Electric Inc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-250-9339 has 2 manufacturer part numbers on file: G010027530 (Prestolite Electric Inc), 27530 (Prestolite Electric Inc).
4 possible matches (shared part number, not a government interchangeability claim): 5950-00-825-0461, 1650-01-145-0233, 4720-01-305-8437. Verify interchangeability with system specifications before substitution.
Key specifications for G010027530: Length: 0.813 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Radius: 1.125 INCHES NOMINAL IN; Terminal Hole Diameter: 0.175 INCHES NOMINAL IN. 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.