The Gear,spur, cataloged under National Stock Number 3020-00-294-4847, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-294-4847 |
| Primary Part Number | 972-157ALT2 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Teeth Quantity | 114 |
| Attachment Method | MOUNTING HOLE |
| Body Style | PLAIN, SOLID |
| Pitch Diameter | 2.3740 INCHES MINIMUM AND 2.3750 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-C-895 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Overall Length | 0.469 INCHES IN |
| Hub Style Designator | PINNED FIRST END |
| Mounting Hole Nominal Diameter | 0.062 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Hub Nominal Diameter | 0.562 INCHES FIRST END IN |
| Mounting Hole Type and Quantity | 1 PLAIN AXIALLY THROUGH BODY FIRST END |
| Hardness Rating | 60.0 ROCKWELL B MINIMUM AND 90.0 ROCKWELL C MAXIMUM OVERALL |
| Bore Nominal Diameter | 0.313 INCHES BOTH ENDS IN |
| Material | COPPER ALLOY OVERALL |
| Face Nominal Width | 0.156 INCHES IN |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 2.416 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Nominal Distance Between Body Face and Protruding Hub End | 0.313 INCHES FIRST END IN |
| Tooth Form | STANDARD |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 972-157ALT2 | Raytheon Company Div Corp (USA) |
| 972-157ALT2 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| 972-157ALT2 | Raytheon Company Dba Raytheon Co (USA) |
| 543-425 | Profile Gear Corp (USA) |
NSN 3020-00-294-4847 is a Gear,spur, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-294-4847 has 4 cross-referenced part numbers: 972-157ALT2 (Raytheon Company Div Corp), 972-157ALT2 (Raytheon Company Dba Raytheon Co), 972-157ALT2 (Raytheon Company Dba Raytheon Co), 543-425 (Profile Gear Corp).
There is 1 known substitute for 3020-00-294-4847: 3110-00-554-5610. Verify interchangeability with system specifications before substitution.
Key specifications for 972-157ALT2: Teeth Quantity: 114; Attachment Method: MOUNTING HOLE; Body Style: PLAIN, SOLID; Pitch Diameter: 2.3740 INCHES MINIMUM AND 2.3750 INCHES MAXIMUM IN. 20 total characteristics are documented in the Federal Logistics Information System.