The Gear Rack, cataloged under National Stock Number 3020-00-786-2871, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. 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 | 3020-00-786-2871 |
| Primary Part Number | 706859-1 |
| Item Name | Gear Rack |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Teeth Quantity | 7 |
| Nominal Distance From End to First Mounting Hole Center | 0.255 INCHES TRANSVERSELY THROUGH BOTTOM IN |
| Pitch Height | 0.2850 INCHES MINIMUM AND 0.2890 INCHES MAXIMUM IN |
| Mounting Hole Type and Quantity | 2 THREADED TRANSVERSELY THROUGH BOTTOM |
| Teeth Type | SPUR |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 0.770 INCHES IN |
| Style Designator | SQUARE OR RECTANGULAR |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI 410/SAE 51410 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Tooth Form | STANDARD |
| Mounting Hole Nominal Thread Size | 0.138 INCHES TRANSVERSELY THROUGH BOTTOM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 44.0000 DEGREES |
| Material | STEEL COMP 410 OVERALL |
| Center to Center Nominal Distance Between Mounting Holes | 0.260 INCHES TRANSVERSELY THROUGH BOTTOM IN |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH BOTTOM |
| Nominal Thickness | 0.375 INCHES IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.280 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 |
|---|---|
| 706859-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 3020-00-786-2871 is a Gear Rack, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-786-2871 has 1 manufacturer part number on file: 706859-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 706859-1: Teeth Quantity: 7; Nominal Distance From End to First Mounting Hole Center: 0.255 INCHES TRANSVERSELY THROUGH BOTTOM IN; Pitch Height: 0.2850 INCHES MINIMUM AND 0.2890 INCHES MAXIMUM IN; Mounting Hole Type and Quantity: 2 THREADED TRANSVERSELY THROUGH BOTTOM. 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.