The Brush,electrical Contact, cataloged under National Stock Number 5977-00-420-0986, is classified within Federal Supply Class 5977 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Prestolite Electric Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-00-420-0986 |
| Primary Part Number | MGB12 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — No Item Name Available |
| Manufacturer | Prestolite Electric Inc |
| Status | ACTIVE |
| Thickness | 0.250 INCHES NOMINAL IN |
| Material | CARBON |
| Style Designator | ONE PIECE |
| Shunt Insulation Provision and Quantity | 2 INSULATED |
| Contact Face Style | CONCAVE |
| Width | 0.625 INCHES NOMINAL IN |
| Length | 0.475 INCHES NOMINAL IN |
| Top Style | FLAT WITH LEFT AND RIGHT EDGE BEVELED |
| Body Style | RECTANGULAR COMMUTATOR |
| Shunt Position Designator | 10 AND 12 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5977-00-420-0986 is a Brush,electrical Contact, manufactured by Prestolite Electric Inc, classified under FSC 5977 (No Item Name Available). Status: active.
NSN 5977-00-420-0986 has 4 cross-referenced part numbers: MGB12 (Prestolite Electric Inc), MGB12 (Prestolite Div of Bunker Ramo-Eltra Corp Eltra Corp), MGB12 (Prestolite Electric Inc), 9880 (Lowndes Engineering Co Inc).
There are 7 known substitutes for 5977-00-420-0986: 6695-00-097-9254, 3110-00-100-8530, 5330-00-145-1335 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for MGB12: Thickness: 0.250 INCHES NOMINAL IN; Material: CARBON; Style Designator: ONE PIECE; Shunt Insulation Provision and Quantity: 2 INSULATED. 10 total characteristics are documented in the Federal Logistics Information System.