The Gear Rack, cataloged under National Stock Number 3020-00-615-5405, 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 Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-615-5405 |
| Primary Part Number | 6155405 |
| Item Name | Gear Rack |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Teeth Quantity | 9 |
| Pitch Height | 0.4060 INCHES NOMINAL IN |
| Teeth Type | SPUR |
| Nominal Overall Length | 1.260 INCHES IN |
| Style Designator | ROUND |
| Nominal Outside Diameter | 0.472 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 1330H AND STEEL COMP 4130H OVERALL |
| Nominal Thickness | 0.444 INCHES IN |
| Face Nominal Width | 0.397 INCHES IN |
| 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 |
|---|---|
| 6155405 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3020-00-615-5405 is a Gear Rack, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-615-5405 has 1 manufacturer part number on file: 6155405 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 6155405: Teeth Quantity: 9; Pitch Height: 0.4060 INCHES NOMINAL IN; Teeth Type: SPUR; Nominal Overall Length: 1.260 INCHES IN. 10 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.