The Gear,worm, cataloged under National Stock Number 3020-01-270-9741, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Charles Bond Company Dba Christiana Machine Company. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-270-9741 |
| Primary Part Number | 7QT30 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Charles Bond Company Dba Christiana Machine Company |
| Status | ACTIVE |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Style Designator | PROTRUDING HUBS |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| 7QT | Charles Bond Company Dba Christiana Machine Company (USA) |
| 7QT30 PRIMARY | Charles Bond Company Dba Christiana Machine Company (USA) |
| 62-E-103 PIECE 10 | Eastern Industrial Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 62-E-103 | D/9 Drawing number reference only Eastern Industrial Products, Inc. |
NSN 3020-01-270-9741 is a Gear,worm, manufactured by Charles Bond Company Dba Christiana Machine Company, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-270-9741 has 3 manufacturer part numbers on file: 7QT (Charles Bond Company Dba Christiana Machine Company), 7QT30 (Charles Bond Company Dba Christiana Machine Company), 62-E-103 PIECE 10 (Eastern Industrial Products, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-319-7898. Verify interchangeability with system specifications before substitution.
Key specifications for 7QT30: Bore Style: W/ KEYWAY BOTH ENDS; Style Designator: PROTRUDING HUBS; Material: COPPER ALLOY OVERALL. 3 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.