The Brush,electrical Contact, cataloged under National Stock Number 5977-00-280-4741, 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 Stackpole Corp the. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-280-4741 |
| Primary Part Number | AP2-240 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Stackpole Corp the |
| Status | ACTIVE |
| Length | 0.500 INCHES NOMINAL IN |
| Terminal Diameter | 0.312 INCHES NOMINAL IN |
| Largest Outside Diameter | 0.170 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 0.281 INCHES NOMINAL IN |
| Top Style | CYLINDRICAL HEAD |
| Shunt Position Designator | 5 |
| Style Designator | ONE PIECE |
| Material Document and Classification | STACKPOLE CARBON CO,GR W1 MFR REF SINGLE MATERIAL RESPONSE |
| Spring Free Length | 1.156 INCHES NOMINAL IN |
| Pressure Spring Type and Quantity | 1 CYLINDRICAL |
| Head Length | 0.063 INCHES NOMINAL IN |
| Brush Shunt Length | 0.918 INCHES NOMINAL SINGLE SHUNT IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 0.250 INCHES NOMINAL IN |
| Material | GRAPHITE |
| Terminal Type and Quantity | 1 ROUND CAP W/EARS |
| Thickness | 0.156 INCHES NOMINAL IN |
| Head Diameter | 0.156 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 |
|---|---|
| AP2-240 PRIMARY | Stackpole Corp the (USA) |
| Reference | Meaning |
|---|---|
| KS5882 | 5/9 Secondary reference American Telephone and Telegraph Co |
| KS5882 | C/1 Advisory reference — outside the item-of-supply concept Lucent Technologies Inc Corporate Headquarters |
| KS5882 | 5/9 Secondary reference At and T Corp |
NSN 5977-00-280-4741 is a Brush,electrical Contact, manufactured by Stackpole Corp the, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-280-4741 has 1 manufacturer part number on file: AP2-240 (Stackpole Corp the).
Key specifications for AP2-240: Length: 0.500 INCHES NOMINAL IN; Terminal Diameter: 0.312 INCHES NOMINAL IN; Largest Outside Diameter: 0.170 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.