The Gear Rack, cataloged under National Stock Number 3020-00-124-1447, 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 19 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 | 3020-00-124-1447 |
| Primary Part Number | 8438148 |
| 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 | 46 |
| Surface Treatment Document and Classification | QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nominal Distance From End to First Mounting Hole Center | 0.250 INCHES TRANSVERSELY THROUGH BOTTOM IN |
| Pitch Height | 0.4582 INCHES MINIMUM AND 0.4592 INCHES MAXIMUM IN |
| Mounting Hole Type and Quantity | 4 PLAIN TRANSVERSELY THROUGH BOTTOM |
| Mounting Hole Nominal Diameter | 0.138 INCHES TRANSVERSELY THROUGH BOTTOM IN |
| Teeth Type | SPUR |
| Nominal Overall Length | 0.300 INCHES IN |
| Style Designator | SQUARE OR RECTANGULAR |
| Material Document and Classification | QQ-S-764,TYPE 416,COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Tooth Form | STANDARD |
| Nominal Distance From Mounting Hole Center to Bottom | 0.218 INCHES TRANSVERSELY THROUGH BOTTOM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 416 OVERALL |
| Center to Center Nominal Distance Between Mounting Holes | 0.750 INCHES AND 1.000 INCHES TRANSVERSELY THROUGH BOTTOM IN |
| Nominal Thickness | 0.479 INCHES IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.230 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 |
|---|---|
| 8438148 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3020-00-124-1447 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 3020-00-124-1447 has 1 manufacturer part number on file: 8438148 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 8438148: Teeth Quantity: 46; Surface Treatment Document and Classification: QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Nominal Distance From End to First Mounting Hole Center: 0.250 INCHES TRANSVERSELY THROUGH BOTTOM IN; Pitch Height: 0.4582 INCHES MINIMUM AND 0.4592 INCHES MAXIMUM IN. 19 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.