The Gear,internal, cataloged under National Stock Number 3020-00-076-0456, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Del Mar Avionics, Llc. Government technical data includes 20 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-076-0456 |
| Primary Part Number | 7277 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Del Mar Avionics, Llc |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.800 INCHES IN |
| Attachment Method | MOUNTING HOLE |
| Style Designator | PLAIN RING |
| Material Document and Classification | MIL-S-6758,COND D NORMALIZED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bore Nominal Diameter | 5.877 INCHES BOTH ENDS IN |
| Nominal Outside Diameter | 8.745 INCHES IN |
| Tooth Form | STANDARD |
| Tooth Direction | RIGHT |
| Bore Nominal Depth | 0.800 INCHES BOTH ENDS IN |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| Mounting Hole Type and Quantity | 12 PLAIN AXIALLY THROUGH BODY FIRST END |
| Bolt Hole Circle Nominal Diameter | 7.125 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Teeth Type | SPUR |
| Mounting Hole Nominal Diameter | 0.375 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Bore Style | PLAIN BOTH ENDS |
| Pitch Diameter | 6.0000 INCHES NOMINAL IN |
| Teeth Quantity | 96 |
| Body Style | PLAIN, SOLID |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7277 | Del Mar Avionics, Llc (USA) |
NSN 3020-00-076-0456 is a Gear,internal, manufactured by Del Mar Avionics, Llc, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-076-0456 has 1 cross-referenced part number: 7277 (Del Mar Avionics, Llc).
There are 10 known substitutes for 3020-00-076-0456: 7920-00-165-7277, 4310-00-459-5964, 5950-00-488-3821 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7277: Material: STEEL OVERALL; Face Nominal Width: 0.800 INCHES IN; Attachment Method: MOUNTING HOLE; Style Designator: PLAIN RING. 20 total characteristics are documented in the Federal Logistics Information System.