The Gear,spur, cataloged under National Stock Number 3020-01-156-9678, 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 Designatronics Inc Perfect Gear and Instrument Div. Government technical data includes 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-156-9678 |
| Primary Part Number | S1066ZR0238 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Designatronics Inc Perfect Gear and Instrument Div |
| Status | ACTIVE |
| Teeth Quantity | 34 |
| Body Style | PLAIN, SOLID |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 0.7078 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 0.750 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Face Nominal Width | 0.125 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 |
|---|---|
| S1066ZR0238 PRIMARY | Designatronics Inc Perfect Gear and Instrument Div (USA) |
| Reference | Meaning |
|---|---|
| 12294087 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
| G3-34SPECIAL | 5/9 Secondary reference Roller Bearing Co of America, Inc Div Pic Design |
| 12294087 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| P48S26-34SPECIAL | 5/9 Secondary reference W. M. Berg, Inc. |
NSN 3020-01-156-9678 is a Gear,spur, manufactured by Designatronics Inc Perfect Gear and Instrument Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-156-9678 has 1 manufacturer part number on file: S1066ZR0238 (Designatronics Inc Perfect Gear and Instrument Div).
Key specifications for S1066ZR0238: Teeth Quantity: 34; Body Style: PLAIN, SOLID; Style Designator: PROTRUDING HUB; Pitch Diameter: 0.7078 INCHES NOMINAL IN. 8 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.