The Gear Rack, cataloged under National Stock Number 3020-01-305-2313, 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 Derbyshire Machine & Tool Co. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-305-2313 |
| Primary Part Number | 704-4685209 ITEM 12 |
| Item Name | Gear Rack |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| Teeth Quantity | 50 |
| Pitch Height | 0.8025 INCHES NOMINAL IN |
| Teeth Type | SPUR |
| Nominal Overall Length | 19.630 INCHES IN |
| Style Designator | SQUARE OR RECTANGULAR |
| Material Document and Classification | MIL-B-24059 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Tooth Form | STANDARD |
| Pressure Angle | 20.0000 DEGREES |
| Material | BRONZE OVERALL |
| Nominal Thickness | 0.899 INCHES IN |
| Face Nominal Width | 1.994 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 |
|---|---|
| 704-4685209 ITEM 12 | Derbyshire Machine & Tool Co (USA) |
| Reference | Meaning |
|---|---|
| 704-4685209 ITEM 12 | 5/9 Secondary reference Calabrese & Sons, Inc. |
| 704-4685209 ITEM 12 | 3/2 Design control — primary reference U.S. Government activity |
| 704-4685209 ITEM 12 | 5/9 Secondary reference Tec Design & Manufacturing, Inc. |
NSN 3020-01-305-2313 is a Gear Rack, manufactured by Derbyshire Machine & Tool Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-305-2313 has 1 manufacturer part number on file: 704-4685209 ITEM 12 (Derbyshire Machine & Tool Co).
Key specifications for 704-4685209 ITEM 12: Teeth Quantity: 50; Pitch Height: 0.8025 INCHES NOMINAL IN; Teeth Type: SPUR; Nominal Overall Length: 19.630 INCHES IN. 11 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.