The Gear,antibacklash,spur, cataloged under National Stock Number 3020-01-265-3793, 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 Incorporated Div Sterling Instruments Div. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-265-3793 |
| Primary Part Number | S9705A-Z7F180XAP |
| Item Name | Gear,antibacklash,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Designatronics Incorporated Div Sterling Instruments Div |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.240 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.312 INCHES FIRST END IN |
| Teeth Quantity | 180 |
| Clamping Surface Nominal Length | 0.250 INCHES FIRST END IN |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.281 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 2.5000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | SPLIT FIRST END |
| Nominal Outside Diameter | 2.527 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM OVERALL |
| Attachment Method | CLAMP |
| Face Nominal Width | 0.104 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 |
|---|---|
| 2370494G3 | L3harris Technologies, Inc. (USA) |
| S9705A-Z7F180XAP PRIMARY | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| Reference | Meaning |
|---|---|
| Z7F-180-AXX | 5/9 Secondary reference Designatronics Incorporated Div Sterling Instruments Div |
| AC72ZX180-J | 5/9 Secondary reference W. M. Berg, Inc. |
| Z7F-180-XXA | 5/9 Secondary reference Designatronics Incorporated Div Sterling Instruments Div |
NSN 3020-01-265-3793 is a Gear,antibacklash,spur, manufactured by Designatronics Incorporated Div Sterling Instruments Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-265-3793 has 2 manufacturer part numbers on file: 2370494G3 (L3harris Technologies, Inc.), S9705A-Z7F180XAP (Designatronics Incorporated Div Sterling Instruments Div).
Key specifications for S9705A-Z7F180XAP: Bore Nominal Diameter: 0.240 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.312 INCHES FIRST END IN; Teeth Quantity: 180; Clamping Surface Nominal Length: 0.250 INCHES FIRST END IN. 15 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.