The Gear,spur, cataloged under National Stock Number 3020-01-320-9461, 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 Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-320-9461 |
| Primary Part Number | G43-26Q12 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 SETSCREW |
| Bore Nominal Diameter | 0.250 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.500 INCHES FIRST END IN |
| Teeth Quantity | 26 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 12 |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 0.8118 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM IN |
| Hub Style Designator | PINNED FIRST END |
| Nominal Outside Diameter | 0.875 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 303 OVERALL |
| Face Nominal Width | 0.187 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 |
|---|---|
| H29-26Q12 | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| 5947787 ITEM 1-18 | Naval Sea Systems Command (USA) |
| GP16-26Q12 | Secs Inc (USA) |
| 518-5947787 ITEM 1-18 | Naval Sea Systems Command (USA) |
| LAS-D2-26Q12 | Nordex, Incorporated Dba Nordex Inc (USA) |
| G43-26Q12 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| Reference | Meaning |
|---|---|
| P32S28-26Q12 | 5/9 Secondary reference W. M. Berg, Inc. |
| 5947787 | D/9 Drawing number reference only Naval Sea Systems Command |
| 518-5947787 | D/9 Drawing number reference only Naval Sea Systems Command |
| DG43T26Q12 | 5/9 Secondary reference Allied Devices Corp Dba Absolute Precision Co |
| LAS-D2-26Q12 | 5/9 Secondary reference Nordex Inc |
| 5947787-0019 | 5/2 Secondary reference U.S. Government activity |
NSN 3020-01-320-9461 is a Gear,spur, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-320-9461 has 6 manufacturer part numbers on file: H29-26Q12 (Designatronics Incorporated Div Sterling Instruments Div), 5947787 ITEM 1-18 (Naval Sea Systems Command), GP16-26Q12 (Secs Inc), 518-5947787 ITEM 1-18 (Naval Sea Systems Command), LAS-D2-26Q12 (Nordex, Incorporated Dba Nordex Inc) and 1 more.
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-320-9462, 3020-01-327-0208. Verify interchangeability with system specifications before substitution.
Key specifications for G43-26Q12: Furnished Items and Quantity: 1 SETSCREW; Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.500 INCHES FIRST END IN; Teeth Quantity: 26. 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.