The Brush,electrical Contact, cataloged under National Stock Number 5977-00-686-4476, 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 Miraj Corp. Government technical data includes 20 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5977-00-686-4476 |
| Primary Part Number | M8832946 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Miraj Corp |
| Status | ACTIVE |
| Length | 0.500 INCHES NOMINAL IN |
| Terminal Diameter | 0.182 INCHES NOMINAL IN |
| Largest Outside Diameter | 0.250 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 0.500 INCHES NOMINAL IN |
| Top Style | CYLINDRICAL HEAD |
| Shunt Position Designator | 5 |
| Style Designator | ONE PIECE |
| Material Document and Classification | MIRAJCARBON GRADE 85 MFR REF SINGLE MATERIAL RESPONSE |
| Spring Free Length | 1.312 INCHES NOMINAL IN |
| Pressure Spring Type and Quantity | 1 CYLINDRICAL |
| Head Length | 0.063 INCHES NOMINAL IN |
| Brush Shunt Length | 0.438 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 0.375 INCHES NOMINAL IN |
| Material | ELECTROGRAPHITIC |
| Terminal Type and Quantity | 1 ROUND CAP W/EARS |
| Thickness | 0.218 INCHES NOMINAL IN |
| Head Diameter | 0.250 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 |
|---|---|
| M8832946 PRIMARY | Miraj Corp (USA) |
| Reference | Meaning |
|---|---|
| 8832946 | 5/1 Secondary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament |
| 8811-3-8 | 5/9 Secondary reference Curtiss-Wright Controls Integrated Sensing, Inc. |
| 01-25751 | 5/9 Secondary reference Morganite Inc |
NSN 5977-00-686-4476 is a Brush,electrical Contact, manufactured by Miraj Corp, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-686-4476 has 1 manufacturer part number on file: M8832946 (Miraj Corp).
1 possible match (shared part number, not a government interchangeability claim): 6210-01-127-8100. Verify interchangeability with system specifications before substitution.
Key specifications for M8832946: Length: 0.500 INCHES NOMINAL IN; Terminal Diameter: 0.182 INCHES NOMINAL IN; Largest Outside Diameter: 0.250 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR. 20 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.