The Gear,spur, cataloged under National Stock Number 3020-00-775-4221, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-775-4221 |
| Primary Part Number | 603291 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Tooth Form | STANDARD |
| Backlash Designation | GRADE A |
| Teeth Quantity | 57 |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM BODY |
| Material Document and Classification | MIL-S-7393 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Hub Nominal Diameter | 1.000 INCHES SECOND END IN |
| Bore Nominal Diameter | 1.141 INCHES BOTH ENDS IN |
| Nominal Overall Length | 1.013 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Style Designator | CONE SHAPE BODY, PROTRUDING HUB, RECESSED HUB |
| Spline Quantity | 16 BOTH ENDS |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.638 INCHES SECOND END IN |
| Body Style | PLAIN, SOLID |
| Spline Pitch Diameter | 0.8000 INCHES NOMINAL BOTH ENDS IN |
| Hub Nominal Diameter | 1.000 INCHES FIRST END IN |
| Face Nominal Width | 0.375 INCHES IN |
| Hardness Rating | 61.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM TEETH |
| Nominal Outside Diameter | 2.895 INCHES IN |
| Nominal Distance Between Body Face and Recessed Hub End | 0.608 INCHES SECOND END IN |
| Material | STEEL OVERALL |
| Hub Style Designator | PLAIN BOTH ENDS |
| Pitch Diameter | 2.8500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 603291 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 3020-00-775-4221 is a Gear,spur, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-775-4221 has 1 cross-referenced part number: 603291 (Eaton Aerospace, Llc Dba Jackson South).
There are 2 known substitutes for 3020-00-775-4221: 9540-00-006-6700, 1560-00-651-8267. Verify interchangeability with system specifications before substitution.
Key specifications for 603291: Tooth Form: STANDARD; Backlash Designation: GRADE A; Teeth Quantity: 57; Hardness Rating: 39.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM BODY. 23 total characteristics are documented in the Federal Logistics Information System.