The Brush,electrical Contact, cataloged under National Stock Number 5977-00-295-9923, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5977-00-295-9923 |
| Primary Part Number | 372B27299 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| Length | 0.312 INCHES NOMINAL IN |
| Terminal Diameter | 0.180 INCHES NOMINAL IN |
| Largest Outside Diameter | 0.180 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Shunt Position Designator | 5 |
| Style Designator | ONE PIECE |
| Material Document and Classification | SUPERIOR GRADE MG84 MFR REF SINGLE MATERIAL RESPONSE |
| Spring Free Length | 1.375 INCHES NOMINAL IN |
| Pressure Spring Type and Quantity | 1 CYLINDRICAL |
| Brush Shunt Length | 1.000 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | FLAT |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 0.242 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Material | CARBON GRAPHITE |
| Terminal Type and Quantity | 1 ROUND CAP |
| Thickness | 0.180 INCHES MINIMUM AND 0.183 INCHES MAXIMUM 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 |
|---|---|
| 372B27299 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| Reference | Meaning |
|---|---|
| 372B27299 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
| 372B27299 | 5/9 Secondary reference Carbone of America Corporation Div Superior Carbon Products Division |
NSN 5977-00-295-9923 is a Brush,electrical Contact, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-295-9923 has 1 manufacturer part number on file: 372B27299 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).
Key specifications for 372B27299: Length: 0.312 INCHES NOMINAL IN; Terminal Diameter: 0.180 INCHES NOMINAL IN; Largest Outside Diameter: 0.180 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR. 16 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.