The Gear,helical, cataloged under National Stock Number 3020-00-679-9263, 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 Chrysler Realty Company Llc Dba Daimler Chrysler. Government technical data includes 23 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-679-9263 |
| Primary Part Number | 1859722 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Chrysler Realty Company Llc Dba Daimler Chrysler |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.561 INCHES COUNTER BORE SECOND END IN |
| Helix Angle | 27.5000 DEGREES |
| Hub Nominal Diameter | 2.900 INCHES BOTH ENDS IN |
| Nominal Distance Between Body Face and Recessed Hub End | 0.006 INCHES SECOND END IN |
| Teeth Quantity | 60 |
| Body Style | WEBBED, OFFSET, WITH LIGHTENING HOLES |
| Counterbore Nominal Diameter | 2.000 INCHES COUNTER BORE SECOND END IN |
| Tooth Direction | RIGHT |
| Bore Style | W/COUNTERBORE COUNTER BORE SECOND END |
| Mounting Hole Nominal Diameter | 0.125 INCHES AXIALLY THROUGH BODY SECOND END IN |
| Mounting Hole Nominal Diameter | 0.400 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Style Designator | ONE FLUSH HUB, ONE RECESSED HUB |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 7.0800 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | IRON CAST OVERALL |
| Bolt Hole Circle Nominal Diameter | 1.400 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Bolt Hole Circle Nominal Diameter | 1.625 INCHES AXIALLY THROUGH BODY SECOND END IN |
| Counterbore Nominal Depth | 0.275 INCHES COUNTER BORE SECOND END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.879 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 |
|---|---|
| 1859722 PRIMARY | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| TG3508 | Trw Inc Trw Intl Trade Government Sales Dept (USA) |
| Reference | Meaning |
|---|---|
| 221-3508 | 5/9 Secondary reference Spx Corp |
| TG2508 | 5/9 Secondary reference Trw Inc Trw Intl Trade Government Sales Dept |
| 221-3508 | 5/9 Secondary reference Bosch Automotive Service Solutions Inc. |
| 10861847 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 3020-00-679-9263 is a Gear,helical, manufactured by Chrysler Realty Company Llc Dba Daimler Chrysler, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-679-9263 has 2 manufacturer part numbers on file: 1859722 (Chrysler Realty Company Llc Dba Daimler Chrysler), TG3508 (Trw Inc Trw Intl Trade Government Sales Dept).
2 possible matches (shared part number, not a government interchangeability claim): 5935-01-246-0491, 5306-01-610-0222. Verify interchangeability with system specifications before substitution.
Key specifications for 1859722: Bore Nominal Diameter: 0.561 INCHES COUNTER BORE SECOND END IN; Helix Angle: 27.5000 DEGREES; Hub Nominal Diameter: 2.900 INCHES BOTH ENDS IN; Nominal Distance Between Body Face and Recessed Hub End: 0.006 INCHES SECOND END IN. 23 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.