The Brush,electrical Contact, cataloged under National Stock Number 5977-00-243-8971, 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. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5977-00-243-8971 |
| Primary Part Number | 122193 |
| Item Name | Brush,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Length | 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN |
| Peripheral Speed | 5500 FEET PER MINUTE FT |
| Body Style | RECTANGULAR COMMUTATOR |
| Top Style | FLAT |
| Criticality Code Justification | MATT AND MDCL |
| Style Designator | ONE PIECE |
| Material Document and Classification | THE CARBONE CORP,GR EGA MFR REF SINGLE MATERIAL RESPONSE |
| Contact Face Style | FLAT |
| Width | 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Material | ELECTROGRAPHITIC |
| Thickness | 0.182 INCHES MINIMUM AND 0.187 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 122193 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 122193 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| ANSI/NEMA PUB NO. CB1 | 5/9 Secondary reference U.S. Government activity |
NSN 5977-00-243-8971 is a Brush,electrical Contact, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-243-8971 has 1 manufacturer part number on file: 122193 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5310-00-853-9335. Verify interchangeability with system specifications before substitution.
Key specifications for 122193: Length: 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN; Peripheral Speed: 5500 FEET PER MINUTE FT; Body Style: RECTANGULAR COMMUTATOR; Top Style: FLAT. 11 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.