The Brush,electrical Contact, cataloged under National Stock Number 5977-00-815-3344, 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 Us Army Aviation and Missile Command. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-815-3344 |
| Primary Part Number | 9056251 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Length | 0.180 INCHES NOMINAL IN |
| Largest Outside Diameter | 0.437 INCHES NOMINAL IN |
| Body Style | RECTANGULAR COMMUTATOR |
| Radius | 0.188 INCHES NOMINAL IN |
| Shunt Position Designator | 8 |
| Style Designator | ONE PIECE |
| Material Document and Classification | STACKPOLE CARBON CO,GRADE ES340 MFR REF SINGLE MATERIAL RESPONSE |
| Spring Free Length | 5.300 INCHES NOMINAL IN |
| Pressure Spring Type and Quantity | 1 CYLINDRICAL WITH REDUCED END |
| Brush Shunt Length | 2.898 INCHES NOMINAL ALL SHUNTS IN |
| Contact Face Style | CONCAVE |
| Shunt Insulation Provision and Quantity | 1 UNINSULATED |
| Width | 0.180 INCHES NOMINAL IN |
| Material | SILVER GRAPHITE |
| Thickness | 0.500 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 |
NSN 5977-00-815-3344 is a Brush,electrical Contact, manufactured by Us Army Aviation and Missile Command, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-815-3344 has 2 manufacturer part numbers on file: 1765736 (Stackpole Corp the), 9056251 (Us Army Aviation and Missile Command).
Key specifications for 9056251: Length: 0.180 INCHES NOMINAL IN; Largest Outside Diameter: 0.437 INCHES NOMINAL IN; Body Style: RECTANGULAR COMMUTATOR; Radius: 0.188 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.