The Gear,worm, cataloged under National Stock Number 3020-00-859-1817, 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 Telemechanics Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-859-1817 |
| Primary Part Number | 164337 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Thread Form Direction | RIGHT-HAND |
| Mounting Hole Type and Quantity | 1 PLAIN TRANSVERSELY THROUGH HUB FIRST END |
| Face Type | STRAIGHT |
| Mounting Hole Nominal Diameter | 0.142 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Style Designator | HUBLESS |
| Thread Form Quantity | 9 |
| Nominal Outside Diameter | 0.644 INCHES IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.375 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 |
|---|---|
| 164337 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 164337 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 164337 | 5/9 Secondary reference At and T Corp |
NSN 3020-00-859-1817 is a Gear,worm, manufactured by Telemechanics Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-859-1817 has 1 manufacturer part number on file: 164337 (Telemechanics Inc).
Key specifications for 164337: Thread Form Direction: RIGHT-HAND; Mounting Hole Type and Quantity: 1 PLAIN TRANSVERSELY THROUGH HUB FIRST END; Face Type: STRAIGHT; Mounting Hole Nominal Diameter: 0.142 INCHES TRANSVERSELY THROUGH HUB FIRST END IN. 9 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.