The Gear,spur, cataloged under National Stock Number 3020-00-118-4988, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-118-4988 |
| Primary Part Number | 57149 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| Tooth Form | STANDARD |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM HUB |
| Face Nominal Width | 0.275 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Hub Nominal Diameter | 0.750 INCHES SECOND END IN |
| Bore Nominal Diameter | 0.448 INCHES BOTH ENDS IN |
| Nominal Outside Diameter | 0.966 INCHES IN |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Material Document and Classification | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.8000 INCHES NOMINAL IN |
| Spline Quantity | 14 BOTH ENDS |
| Hardness Rating | 81.0 ROCKWELL A MINIMUM AND 84.0 ROCKWELL A MAXIMUM TEETH |
| Nominal Overall Length | 0.845 INCHES IN |
| Body Style | WEBBED, OFFSET, SOLID |
| Counterbore Nominal Diameter | 0.500 INCHES FIRST END IN |
| Hub Nominal Diameter | 0.880 INCHES FIRST END IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Material | STEEL COMP E9310 OVERALL |
| Nominal Distance Between Body Face and Protruding Hub End | 0.555 INCHES FIRST END IN |
| Teeth Quantity | 18 |
| Counterbore Nominal Depth | 0.500 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Spline Pitch Diameter | 0.4375 INCHES NOMINAL BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-00-118-4988 is a Gear,spur, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-118-4988 has 2 cross-referenced part numbers: 57149 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 57149 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
There are 3 known substitutes for 3020-00-118-4988: 5136-00-261-3260, 5342-00-962-8924, 6515-01-193-8460. Verify interchangeability with system specifications before substitution.
Key specifications for 57149: Tooth Form: STANDARD; Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM HUB; Face Nominal Width: 0.275 INCHES IN; Pressure Angle: 20.0000 DEGREES. 23 total characteristics are documented in the Federal Logistics Information System.