The Gear,worm, cataloged under National Stock Number 3020-01-349-7420, 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 Duragear Limited. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-349-7420 |
| Primary Part Number | 5-227 ITEM 5 5-39MIL1-0803 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Duragear Limited |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.750 INCHES BOTH ENDS IN |
| Face Type | STRAIGHT |
| Style Designator | PROTRUDING HUBS |
| Hub Style Designator | PLAIN BOTH ENDS |
| Material | STEEL 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 |
|---|---|
| 5-39MIL1-0803-5 | Duragear Limited (CAN) |
| 5-227 ITEM 5 5-39MIL1-0803 PRIMARY | Duragear Limited (CAN) |
| Reference | Meaning |
|---|---|
| 5-39MIL 1-0803-5 | 5/9 Secondary reference Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy |
| 5-227 | D/9 Drawing number reference only Duragear Limited |
NSN 3020-01-349-7420 is a Gear,worm, manufactured by Duragear Limited, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-349-7420 has 2 manufacturer part numbers on file: 5-39MIL1-0803-5 (Duragear Limited), 5-227 ITEM 5 5-39MIL1-0803 (Duragear Limited).
Key specifications for 5-227 ITEM 5 5-39MIL1-0803: Hub Nominal Diameter: 0.750 INCHES BOTH ENDS IN; Face Type: STRAIGHT; Style Designator: PROTRUDING HUBS; Hub Style Designator: PLAIN BOTH ENDS. 5 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.