The Collar,compensator Control, cataloged under National Stock Number 4920-01-124-2189, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-124-2189 |
| Item Name | Collar,compensator Control |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL CARBON BAR ROUND COMP B1113 COND CD PER QQ-S-633; CADMIUM PLATED-CHROMATE DIP PER QQ-P-416 TYPE II CLASS 2; 2.250 IN. DIA OUTSIDE; 1.689 IN. MIN 1.691 IN. MAX INSIDE DIA; 1.250 IN. THK; SECURING HOLE NO. 8 DRILL 0.199 IN. DIA 0.250-20 UNC-2B THDS; COARSE DIAMOND KNURL OUTSIDE SURFACE; 1/16 IN. BY 45 DEG CHAMFER BOTH ENDS; 2-12 UN-2B; SUN MATERIAL NO 652-103 IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 8023-012 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-01-124-2189 is a Collar,compensator Control, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-124-2189: General Characteristics Item Description: STEEL CARBON BAR ROUND COMP B1113 COND CD PER QQ-S-633; CADMIUM PLATED-CHROMATE DIP PER QQ-P-416 TYPE II CLASS 2; 2.250 IN. DIA OUTSIDE; 1.689 IN. MIN 1.691 IN. MAX INSIDE DIA; 1.250 IN. THK; SECURING HOLE NO. 8 DRILL 0.199 IN. DIA 0.250-20 UNC-2B THDS; COARSE DIAMOND KNURL OUTSIDE SURFACE; 1/16 IN. BY 45 DEG CHAMFER BOTH ENDS; 2-12 UN-2B; SUN MATERIAL NO 652-103 IN. 1 specification is 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.